47794992 has 80 divisors (see below), whose sum is σ = 144038400. Its totient is φ = 13651008.

The previous prime is 47794991. The next prime is 47794993. The reversal of 47794992 is 29949774.

It is an interprime number because it is at equal distance from previous prime (47794991) and next prime (47794993).

It is a super-2 number, since 2×47794992² = 4568722520560128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47794991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15013 + ... + 17915.

It is an arithmetic number, because the mean of its divisors is an integer number (1800480).

Almost surely, 2^47794992 is an apocalyptic number.

47794992 is a gapful number since it is divisible by the number (42) 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 47794992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72019200).

47794992 is an abundant number, since it is smaller than the sum of its proper divisors (96243408).

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

47794992 is a wasteful number, since it uses less digits than its factorization.

47794992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935 (or 2915 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 51.

The square root of 47794992 is about 6913.3922209000. The cubic root of 47794992 is about 362.9059854125.

The spelling of 47794992 in words is "forty-seven million, seven hundred ninety-four thousand, nine hundred ninety-two".