73306368 has 54 divisors (see below), whose sum is σ = 211366974. Its totient is φ = 24434688.

The previous prime is 73306349. The next prime is 73306411. The reversal of 73306368 is 86360337.

It can be written as a sum of positive squares in only one way, i.e., 71368704 + 1937664 = 8448^2 + 1392^2 .

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

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, 13605 + ... + 18212.

Almost surely, 2^73306368 is an apocalyptic number.

It is an amenable number.

73306368 is an abundant number, since it is smaller than the sum of its proper divisors (138060606).

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

73306368 is a wasteful number, since it uses less digits than its factorization.

73306368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31839 (or 31822 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 73306368 is about 8561.9138047518. The cubic root of 73306368 is about 418.5177683733.

The spelling of 73306368 in words is "seventy-three million, three hundred six thousand, three hundred sixty-eight".