72986995 has 4 divisors (see below), whose sum is σ = 87584400. Its totient is φ = 58389592.

The previous prime is 72986957. The next prime is 72987023. The reversal of 72986995 is 59968927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59968927 = 769 ⋅77983.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72986995 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7298695 + ... + 7298704.

It is an arithmetic number, because the mean of its divisors is an integer number (21896100).

Almost surely, 2^72986995 is an apocalyptic number.

72986995 is a deficient number, since it is larger than the sum of its proper divisors (14597405).

72986995 is a wasteful number, since it uses less digits than its factorization.

72986995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14597404.

The product of its digits is 2449440, while the sum is 55.

The square root of 72986995 is about 8543.2426513590. The cubic root of 72986995 is about 417.9090997595.

The spelling of 72986995 in words is "seventy-two million, nine hundred eighty-six thousand, nine hundred ninety-five".