1494247872 has 56 divisors (see below), whose sum is σ = 4257655696. Its totient is φ = 459767808.

The previous prime is 1494247871. The next prime is 1494247891. The reversal of 1494247872 is 2787424941.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494247871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296833 + ... + 301824.

It is an arithmetic number, because the mean of its divisors is an integer number (76029566).

Almost surely, 2^1494247872 is an apocalyptic number.

1494247872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1494247872 is an abundant number, since it is smaller than the sum of its proper divisors (2763407824).

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

1494247872 is a wasteful number, since it uses less digits than its factorization.

1494247872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598685 (or 598675 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The square root of 1494247872 is about 38655.5024802421. The cubic root of 1494247872 is about 1143.2491364378.

The spelling of 1494247872 in words is "one billion, four hundred ninety-four million, two hundred forty-seven thousand, eight hundred seventy-two".