73722654 has 12 divisors (see below), whose sum is σ = 159732456. Its totient is φ = 24574212.

The previous prime is 73722643. The next prime is 73722661. The reversal of 73722654 is 45622737.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 2047834 + ... + 2047869.

It is an arithmetic number, because the mean of its divisors is an integer number (13311038).

Almost surely, 2^73722654 is an apocalyptic number.

73722654 is an abundant number, since it is smaller than the sum of its proper divisors (86009802).

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

73722654 is a wasteful number, since it uses less digits than its factorization.

73722654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095711 (or 4095708 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 73722654 is about 8586.1897253671. The cubic root of 73722654 is about 419.3084879301.

The spelling of 73722654 in words is "seventy-three million, seven hundred twenty-two thousand, six hundred fifty-four".