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947472624 = 243272472857

947472624 has 180 divisors, whose sum is σ = 3151253664. Its totient is φ = 264854016.

The previous prime is 947472619. The next prime is 947472629. The reversal of 947472624 is 426274749.

It is an interprime number because it is at equal distance from previous prime (947472619) and next prime (947472629).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 947472624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947472629) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 330204 + ... + 333060.

Almost surely, 2947472624 is an apocalyptic number.

947472624 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 947472624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1575626832).

947472624 is an abundant number, since it is smaller than the sum of its proper divisors (2203781040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

947472624 is a wasteful number, since it uses less digits than its factorization.

947472624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932 (or 2916 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 947472624 is about 30781.0432571737. The cubic root of 947472624 is about 982.1750330592.

The spelling of 947472624 in words is "nine hundred forty-seven million, four hundred seventy-two thousand, six hundred twenty-four".