73601856 has 42 divisors (see below), whose sum is σ = 210968082. Its totient is φ = 24533760.

The previous prime is 73601849. The next prime is 73601867. The reversal of 73601856 is 65810637.

It can be written as a sum of positive squares in only one way, i.e., 48441600 + 25160256 = 6960^2 + 5016^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 73601856.

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, 63315 + ... + 64466.

Almost surely, 2^73601856 is an apocalyptic number.

It is an amenable number.

73601856 is an abundant number, since it is smaller than the sum of its proper divisors (137366226).

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

73601856 is a wasteful number, since it uses less digits than its factorization.

73601856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127799 (or 127786 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 73601856 is about 8579.1524056867. The cubic root of 73601856 is about 419.0793439054.

It can be divided in two parts, 7360 and 1856, that added together give a square (9216 = 96²).

The spelling of 73601856 in words is "seventy-three million, six hundred one thousand, eight hundred fifty-six".