215072932 has 24 divisors (see below), whose sum is σ = 409852800. Its totient is φ = 98362656.

The previous prime is 215072929. The next prime is 215072939. The reversal of 215072932 is 239270512.

It is a junction number, because it is equal to n+sod(n) for n = 215072894 and 215072903.

It is not an unprimeable number, because it can be changed into a prime (215072939) 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, 46588 + ... + 50995.

It is an arithmetic number, because the mean of its divisors is an integer number (17077200).

Almost surely, 2^215072932 is an apocalyptic number.

It is an amenable number.

215072932 is a deficient number, since it is larger than the sum of its proper divisors (194779868).

215072932 is a wasteful number, since it uses less digits than its factorization.

215072932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97635 (or 97633 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 215072932 is about 14665.3650483034. The cubic root of 215072932 is about 599.1403726934.

The spelling of 215072932 in words is "two hundred fifteen million, seventy-two thousand, nine hundred thirty-two".