47297792 has 36 divisors (see below), whose sum is σ = 96444096. Its totient is φ = 23139840.

The previous prime is 47297777. The next prime is 47297797. The reversal of 47297792 is 29779274.

It is a super-2 number, since 2×47297792² = 4474162256150528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47297797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10067 + ... + 13997.

Almost surely, 2^47297792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47297792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48222048).

47297792 is an abundant number, since it is smaller than the sum of its proper divisors (49146304).

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

47297792 is an equidigital number, since it uses as much as digits as its factorization.

47297792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994 (or 3980 counting only the distinct ones).

The product of its digits is 444528, while the sum is 47.

The square root of 47297792 is about 6877.3390202898. The cubic root of 47297792 is about 361.6431879917.

It can be divided in two parts, 4729 and 7792, that added together give a palindrome (12521).

The spelling of 47297792 in words is "forty-seven million, two hundred ninety-seven thousand, seven hundred ninety-two".