74161377 has 12 divisors (see below), whose sum is σ = 107206164. Its totient is φ = 49402080.

The previous prime is 74161319. The next prime is 74161397. The reversal of 74161377 is 77316147.

It can be written as a sum of positive squares in 2 ways, for example, as 4004001 + 70157376 = 2001^2 + 8376^2 .

It is not a de Polignac number, because 74161377 - 2¹¹ = 74159329 is a prime.

It is a super-2 number, since 2×74161377² = 10999819677072258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (74161397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13303 + ... + 18035.

It is an arithmetic number, because the mean of its divisors is an integer number (8933847).

Almost surely, 2^74161377 is an apocalyptic number.

It is an amenable number.

74161377 is a deficient number, since it is larger than the sum of its proper divisors (33044787).

74161377 is a wasteful number, since it uses less digits than its factorization.

74161377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6480 (or 6477 counting only the distinct ones).

The product of its digits is 24696, while the sum is 36.

The square root of 74161377 is about 8611.7000063867. The cubic root of 74161377 is about 420.1386107125.

The spelling of 74161377 in words is "seventy-four million, one hundred sixty-one thousand, three hundred seventy-seven".