72879495 has 32 divisors (see below), whose sum is σ = 126904512. Its totient is φ = 35500032.

The previous prime is 72879491. The next prime is 72879503. The reversal of 72879495 is 59497827.

It is not a de Polignac number, because 72879495 - 2² = 72879491 is a prime.

It is a super-2 number, since 2×72879495² = 10622841582910050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72879491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16989 + ... + 20841.

It is an arithmetic number, because the mean of its divisors is an integer number (3965766).

Almost surely, 2^72879495 is an apocalyptic number.

72879495 is a deficient number, since it is larger than the sum of its proper divisors (54025017).

72879495 is a wasteful number, since it uses less digits than its factorization.

72879495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971.

The product of its digits is 1270080, while the sum is 51.

The square root of 72879495 is about 8536.9488109043. The cubic root of 72879495 is about 417.7038243651.

The spelling of 72879495 in words is "seventy-two million, eight hundred seventy-nine thousand, four hundred ninety-five".