73163408 has 20 divisors (see below), whose sum is σ = 142267308. Its totient is φ = 36449280.

The previous prime is 73163399. The next prime is 73163449. The reversal of 73163408 is 80436137.

It can be written as a sum of positive squares in 2 ways, for example, as 62220544 + 10942864 = 7888^2 + 3308^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 3641 + ... + 12632.

Almost surely, 2^73163408 is an apocalyptic number.

It is an amenable number.

73163408 is a deficient number, since it is larger than the sum of its proper divisors (69103900).

73163408 is a wasteful number, since it uses less digits than its factorization.

73163408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16562 (or 16556 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 73163408 is about 8553.5611297284. The cubic root of 73163408 is about 418.2455308321.

The spelling of 73163408 in words is "seventy-three million, one hundred sixty-three thousand, four hundred eight".