215072933 has 12 divisors (see below), whose sum is σ = 229616352. Its totient is φ = 201405120.

The previous prime is 215072929. The next prime is 215072939. The reversal of 215072933 is 339270512.

It is not a de Polignac number, because 215072933 - 2² = 215072929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 215072933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215072939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59216 + ... + 62742.

It is an arithmetic number, because the mean of its divisors is an integer number (19134696).

Almost surely, 2^215072933 is an apocalyptic number.

It is an amenable number.

215072933 is a deficient number, since it is larger than the sum of its proper divisors (14543419).

215072933 is a wasteful number, since it uses less digits than its factorization.

215072933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3772 (or 3755 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 215072933 is about 14665.3650823974. The cubic root of 215072933 is about 599.1403736220.

The spelling of 215072933 in words is "two hundred fifteen million, seventy-two thousand, nine hundred thirty-three".