72513088 has 14 divisors (see below), whose sum is σ = 143893286. Its totient is φ = 36256512.

The previous prime is 72513083. The next prime is 72513113. The reversal of 72513088 is 88031527.

It can be written as a sum of positive squares in only one way, i.e., 55472704 + 17040384 = 7448^2 + 4128^2 .

It is not an unprimeable number, because it can be changed into a prime (72513083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566445 + ... + 566572.

Almost surely, 2^72513088 is an apocalyptic number.

It is an amenable number.

72513088 is a deficient number, since it is larger than the sum of its proper divisors (71380198).

72513088 is a wasteful number, since it uses less digits than its factorization.

72513088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133029 (or 1133019 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 72513088 is about 8515.4617021040. The cubic root of 72513088 is about 417.0026357644.

The spelling of 72513088 in words is "seventy-two million, five hundred thirteen thousand, eighty-eight".