74890857075 has 24 divisors (see below), whose sum is σ = 123828979200. Its totient is φ = 39938748960.

The previous prime is 74890857073. The next prime is 74890857079. The reversal of 74890857075 is 57075809847.

It is not a de Polignac number, because 74890857075 - 2¹ = 74890857073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74890857071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1236346 + ... + 1295504.

It is an arithmetic number, because the mean of its divisors is an integer number (5159540800).

Almost surely, 2^74890857075 is an apocalyptic number.

74890857075 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

74890857075 is a deficient number, since it is larger than the sum of its proper divisors (48938122125).

74890857075 is a wasteful number, since it uses less digits than its factorization.

74890857075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76051 (or 76046 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 60.

The spelling of 74890857075 in words is "seventy-four billion, eight hundred ninety million, eight hundred fifty-seven thousand, seventy-five".