73139160 has 64 divisors (see below), whose sum is σ = 226994400. Its totient is φ = 18830336.

The previous prime is 73139147. The next prime is 73139177. The reversal of 73139160 is 6193137.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7029 + ... + 13988.

Almost surely, 2^73139160 is an apocalyptic number.

It is an amenable number.

73139160 is an abundant number, since it is smaller than the sum of its proper divisors (153855240).

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

73139160 is a wasteful number, since it uses less digits than its factorization.

73139160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21060 (or 21056 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 73139160 is about 8552.1435909367. The cubic root of 73139160 is about 418.1993203994.

The spelling of 73139160 in words is "seventy-three million, one hundred thirty-nine thousand, one hundred sixty".