74955161 has 4 divisors (see below), whose sum is σ = 75004800. Its totient is φ = 74905524.

The previous prime is 74955131. The next prime is 74955163. The reversal of 74955161 is 16155947.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74955161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74955163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22481 + ... + 25598.

It is an arithmetic number, because the mean of its divisors is an integer number (18751200).

Almost surely, 2^74955161 is an apocalyptic number.

It is an amenable number.

74955161 is a deficient number, since it is larger than the sum of its proper divisors (49639).

74955161 is a wasteful number, since it uses less digits than its factorization.

74955161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49638.

The product of its digits is 37800, while the sum is 38.

The square root of 74955161 is about 8657.6648699288. The cubic root of 74955161 is about 421.6322743921.

The spelling of 74955161 in words is "seventy-four million, nine hundred fifty-five thousand, one hundred sixty-one".