73880913 has 4 divisors (see below), whose sum is σ = 98507888. Its totient is φ = 49253940.

The previous prime is 73880839. The next prime is 73880941. The reversal of 73880913 is 31908837.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 73880913 - 2¹⁰ = 73879889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73880953) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12313483 + ... + 12313488.

It is an arithmetic number, because the mean of its divisors is an integer number (24626972).

Almost surely, 2^73880913 is an apocalyptic number.

It is an amenable number.

73880913 is a deficient number, since it is larger than the sum of its proper divisors (24626975).

73880913 is a wasteful number, since it uses less digits than its factorization.

73880913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24626974.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 73880913 is about 8595.4006887405. The cubic root of 73880913 is about 419.6083139711.

The spelling of 73880913 in words is "seventy-three million, eight hundred eighty thousand, nine hundred thirteen".