73886945 has 16 divisors (see below), whose sum is σ = 96923520. Its totient is φ = 53625600.

The previous prime is 73886927. The next prime is 73886959. The reversal of 73886945 is 54968837.

It is not a de Polignac number, because 73886945 - 2⁶ = 73886881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73886893 and 73886902.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33641 + ... + 35769.

It is an arithmetic number, because the mean of its divisors is an integer number (6057720).

Almost surely, 2^73886945 is an apocalyptic number.

It is an amenable number.

73886945 is a deficient number, since it is larger than the sum of its proper divisors (23036575).

73886945 is a wasteful number, since it uses less digits than its factorization.

73886945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776.

The product of its digits is 1451520, while the sum is 50.

The square root of 73886945 is about 8595.7515669079. The cubic root of 73886945 is about 419.6197332870.

The spelling of 73886945 in words is "seventy-three million, eight hundred eighty-six thousand, nine hundred forty-five".