73620784 has 20 divisors (see below), whose sum is σ = 147242560. Its totient is φ = 35622720.

The previous prime is 73620737. The next prime is 73620797. The reversal of 73620784 is 48702637.

73620784 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73719 + ... + 74710.

It is an arithmetic number, because the mean of its divisors is an integer number (7362128).

Almost surely, 2^73620784 is an apocalyptic number.

It is an amenable number.

73620784 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

73620784 is a wasteful number, since it uses less digits than its factorization.

73620784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148468 (or 148462 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 73620784 is about 8580.2554740520. The cubic root of 73620784 is about 419.1152653453.

It can be divided in two parts, 736207 and 84, that added together give a triangular number (736291 = T₁₂₁₃).

The spelling of 73620784 in words is "seventy-three million, six hundred twenty thousand, seven hundred eighty-four".