73706013 has 12 divisors (see below), whose sum is σ = 106872480. Its totient is φ = 48948936.

The previous prime is 73705991. The next prime is 73706021. The reversal of 73706013 is 31060737.

It is not a de Polignac number, because 73706013 - 2⁵ = 73705981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73708013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13203 + ... + 17936.

It is an arithmetic number, because the mean of its divisors is an integer number (8906040).

Almost surely, 2^73706013 is an apocalyptic number.

It is an amenable number.

73706013 is a deficient number, since it is larger than the sum of its proper divisors (33166467).

73706013 is a wasteful number, since it uses less digits than its factorization.

73706013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31408 (or 31405 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 27.

The square root of 73706013 is about 8585.2206145212. The cubic root of 73706013 is about 419.2769361738.

The spelling of 73706013 in words is "seventy-three million, seven hundred six thousand, thirteen".