73864380 has 24 divisors (see below), whose sum is σ = 206820432. Its totient is φ = 19697152.

The previous prime is 73864379. The next prime is 73864391. The reversal of 73864380 is 8346837.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615477 + ... + 615596.

It is an arithmetic number, because the mean of its divisors is an integer number (8617518).

Almost surely, 2^73864380 is an apocalyptic number.

It is an amenable number.

73864380 is an abundant number, since it is smaller than the sum of its proper divisors (132956052).

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

73864380 is a wasteful number, since it uses less digits than its factorization.

73864380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231085 (or 1231083 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 73864380 is about 8594.4388996606. The cubic root of 73864380 is about 419.5770117870.

The spelling of 73864380 in words is "seventy-three million, eight hundred sixty-four thousand, three hundred eighty".