74127634 has 16 divisors (see below), whose sum is σ = 131175936. Its totient is φ = 30744000.

The previous prime is 74127629. The next prime is 74127679. The reversal of 74127634 is 43672147.

It is a super-2 number, since 2×74127634² = 10989812244875912, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 74127634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84967 + ... + 85834.

It is an arithmetic number, because the mean of its divisors is an integer number (8198496).

Almost surely, 2^74127634 is an apocalyptic number.

74127634 is a deficient number, since it is larger than the sum of its proper divisors (57048302).

74127634 is a wasteful number, since it uses less digits than its factorization.

74127634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170841.

The product of its digits is 28224, while the sum is 34.

The square root of 74127634 is about 8609.7406465003. The cubic root of 74127634 is about 420.0748808288.

The spelling of 74127634 in words is "seventy-four million, one hundred twenty-seven thousand, six hundred thirty-four".