72874395 has 24 divisors (see below), whose sum is σ = 137799792. Its totient is φ = 35332800.

The previous prime is 72874387. The next prime is 72874433. The reversal of 72874395 is 59347827.

It is not a de Polignac number, because 72874395 - 2³ = 72874387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 72874395.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73116 + ... + 74105.

It is an arithmetic number, because the mean of its divisors is an integer number (5741658).

Almost surely, 2^72874395 is an apocalyptic number.

72874395 is a deficient number, since it is larger than the sum of its proper divisors (64925397).

72874395 is a wasteful number, since it uses less digits than its factorization.

72874395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147243 (or 147240 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 72874395 is about 8536.6501041099. The cubic root of 72874395 is about 417.6940807045.

The spelling of 72874395 in words is "seventy-two million, eight hundred seventy-four thousand, three hundred ninety-five".