72988695 has 48 divisors (see below), whose sum is σ = 141322272. Its totient is φ = 35925120.

The previous prime is 72988691. The next prime is 72988763. The reversal of 72988695 is 59688927.

It is a happy number.

It is not a de Polignac number, because 72988695 - 2² = 72988691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72988691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13485 + ... + 18105.

It is an arithmetic number, because the mean of its divisors is an integer number (2944214).

Almost surely, 2^72988695 is an apocalyptic number.

72988695 is a deficient number, since it is larger than the sum of its proper divisors (68333577).

72988695 is a wasteful number, since it uses less digits than its factorization.

72988695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4654 (or 4642 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 72988695 is about 8543.3421446176. The cubic root of 72988695 is about 417.9123443556.

The spelling of 72988695 in words is "seventy-two million, nine hundred eighty-eight thousand, six hundred ninety-five".