73442656 has 24 divisors (see below), whose sum is σ = 165246480. Its totient is φ = 31475328.

The previous prime is 73442651. The next prime is 73442659. The reversal of 73442656 is 65624437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73442651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163711 + ... + 164158.

It is an arithmetic number, because the mean of its divisors is an integer number (6885270).

Almost surely, 2^73442656 is an apocalyptic number.

It is an amenable number.

73442656 is an abundant number, since it is smaller than the sum of its proper divisors (91803824).

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

73442656 is a wasteful number, since it uses less digits than its factorization.

73442656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327886 (or 327878 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 73442656 is about 8569.8690771797. The cubic root of 73442656 is about 418.7769711298.

It can be divided in two parts, 7344 and 2656, that added together give a 4-th power (10000 = 10⁴).

The spelling of 73442656 in words is "seventy-three million, four hundred forty-two thousand, six hundred fifty-six".