73558945 has 16 divisors (see below), whose sum is σ = 93156480. Its totient is φ = 55648384.

The previous prime is 73558931. The next prime is 73558951. The reversal of 73558945 is 54985537.

It is a cyclic number.

It is not a de Polignac number, because 73558945 - 2⁷ = 73558817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73558895 and 73558904.

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, 6642 + ... + 13828.

It is an arithmetic number, because the mean of its divisors is an integer number (5822280).

Almost surely, 2^73558945 is an apocalyptic number.

It is an amenable number.

73558945 is a deficient number, since it is larger than the sum of its proper divisors (19597535).

73558945 is a wasteful number, since it uses less digits than its factorization.

73558945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7304.

The product of its digits is 756000, while the sum is 46.

The square root of 73558945 is about 8576.6511529851. The cubic root of 73558945 is about 418.9978848650.

The spelling of 73558945 in words is "seventy-three million, five hundred fifty-eight thousand, nine hundred forty-five".