72670075 has 6 divisors (see below), whose sum is σ = 90110924. Its totient is φ = 58136040.

The previous prime is 72670067. The next prime is 72670099. The reversal of 72670075 is 57007627.

It is not a de Polignac number, because 72670075 - 2³ = 72670067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72670075.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1453377 + ... + 1453426.

Almost surely, 2^72670075 is an apocalyptic number.

72670075 is a deficient number, since it is larger than the sum of its proper divisors (17440849).

72670075 is a wasteful number, since it uses less digits than its factorization.

72670075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906813 (or 2906808 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 72670075 is about 8524.6744805887. The cubic root of 72670075 is about 417.3033484095.

The spelling of 72670075 in words is "seventy-two million, six hundred seventy thousand, seventy-five".