47390732 has 12 divisors (see below), whose sum is σ = 83011656. Its totient is φ = 23673120.

The previous prime is 47390719. The next prime is 47390737. The reversal of 47390732 is 23709374.

It is a junction number, because it is equal to n+sod(n) for n = 47390692 and 47390701.

It is not an unprimeable number, because it can be changed into a prime (47390737) 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, 194 + ... + 9737.

It is an arithmetic number, because the mean of its divisors is an integer number (6917638).

Almost surely, 2^47390732 is an apocalyptic number.

It is an amenable number.

47390732 is a deficient number, since it is larger than the sum of its proper divisors (35620924).

47390732 is a wasteful number, since it uses less digits than its factorization.

47390732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11128 (or 11126 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 47390732 is about 6884.0926780513. The cubic root of 47390732 is about 361.8799088845.

The spelling of 47390732 in words is "forty-seven million, three hundred ninety thousand, seven hundred thirty-two".