74445188965 has 32 divisors (see below), whose sum is σ = 103426076160. Its totient is φ = 50386800384.

The previous prime is 74445188963. The next prime is 74445188969. The reversal of 74445188965 is 56988154447.

It is a cyclic number.

It is not a de Polignac number, because 74445188965 - 2¹ = 74445188963 is a prime.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74445188963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 966247 + ... + 1040443.

It is an arithmetic number, because the mean of its divisors is an integer number (3232064880).

Almost surely, 2^74445188965 is an apocalyptic number.

It is an amenable number.

74445188965 is a deficient number, since it is larger than the sum of its proper divisors (28980887195).

74445188965 is a wasteful number, since it uses less digits than its factorization.

74445188965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74581.

The product of its digits is 38707200, while the sum is 61.

The spelling of 74445188965 in words is "seventy-four billion, four hundred forty-five million, one hundred eighty-eight thousand, nine hundred sixty-five".