72595898 has 4 divisors (see below), whose sum is σ = 108893850. Its totient is φ = 36297948.

The previous prime is 72595891. The next prime is 72595927. The reversal of 72595898 is 89859527.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 64850809 + 7745089 = 8053^2 + 2783^2 .

It is not an unprimeable number, because it can be changed into a prime (72595891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18148973 + ... + 18148976.

Almost surely, 2^72595898 is an apocalyptic number.

72595898 is a deficient number, since it is larger than the sum of its proper divisors (36297952).

72595898 is a wasteful number, since it uses less digits than its factorization.

72595898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36297951.

The product of its digits is 1814400, while the sum is 53.

The square root of 72595898 is about 8520.3226464730. The cubic root of 72595898 is about 417.1613144819.

The spelling of 72595898 in words is "seventy-two million, five hundred ninety-five thousand, eight hundred ninety-eight".