72575715 has 16 divisors (see below), whose sum is σ = 116265888. Its totient is φ = 38658816.

The previous prime is 72575689. The next prime is 72575717. The reversal of 72575715 is 51757527.

It is not a de Polignac number, because 72575715 - 2⁹ = 72575203 is a prime.

It is a super-2 number, since 2×72575715² = 10534468815522450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72575717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11757 + ... + 16833.

It is an arithmetic number, because the mean of its divisors is an integer number (7266618).

Almost surely, 2^72575715 is an apocalyptic number.

72575715 is a deficient number, since it is larger than the sum of its proper divisors (43690173).

72575715 is a wasteful number, since it uses less digits than its factorization.

72575715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6038.

The product of its digits is 85750, while the sum is 39.

The square root of 72575715 is about 8519.1381606357. The cubic root of 72575715 is about 417.1226513828.

The spelling of 72575715 in words is "seventy-two million, five hundred seventy-five thousand, seven hundred fifteen".