47790032 has 20 divisors (see below), whose sum is σ = 92702400. Its totient is φ = 23866848.

The previous prime is 47790031. The next prime is 47790089. The reversal of 47790032 is 23009774.

It is a happy number.

It is a super-2 number, since 2×47790032² = 4567774317122048, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47790031) 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, 21719 + ... + 23817.

It is an arithmetic number, because the mean of its divisors is an integer number (4635120).

Almost surely, 2^47790032 is an apocalyptic number.

It is an amenable number.

47790032 is a deficient number, since it is larger than the sum of its proper divisors (44912368).

47790032 is a wasteful number, since it uses less digits than its factorization.

47790032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530 (or 3524 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 47790032 is about 6913.0334875509. The cubic root of 47790032 is about 362.8934312662.

It can be divided in two parts, 477 and 90032, that added together give a palindrome (90509).

The spelling of 47790032 in words is "forty-seven million, seven hundred ninety thousand, thirty-two".