72869622 has 32 divisors (see below), whose sum is σ = 168847872. Its totient is φ = 20533824.

The previous prime is 72869611. The next prime is 72869683. The reversal of 72869622 is 22696827.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 8818 + ... + 14949.

It is an arithmetic number, because the mean of its divisors is an integer number (5276496).

Almost surely, 2^72869622 is an apocalyptic number.

72869622 is an abundant number, since it is smaller than the sum of its proper divisors (95978250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72869622 is a wasteful number, since it uses less digits than its factorization.

72869622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23852.

The product of its digits is 145152, while the sum is 42.

The square root of 72869622 is about 8536.3705402238. The cubic root of 72869622 is about 417.6849613726.

The spelling of 72869622 in words is "seventy-two million, eight hundred sixty-nine thousand, six hundred twenty-two".