74691634 has 8 divisors (see below), whose sum is σ = 112297500. Its totient is φ = 37259136.

The previous prime is 74691619. The next prime is 74691647. The reversal of 74691634 is 43619647.

It can be written as a sum of positive squares in 2 ways, for example, as 73908409 + 783225 = 8597^2 + 885^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42259 + ... + 43990.

Almost surely, 2^74691634 is an apocalyptic number.

74691634 is a deficient number, since it is larger than the sum of its proper divisors (37605866).

74691634 is a wasteful number, since it uses less digits than its factorization.

74691634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86684.

The product of its digits is 108864, while the sum is 40.

The square root of 74691634 is about 8642.4321808158. The cubic root of 74691634 is about 421.1375699274.

The spelling of 74691634 in words is "seventy-four million, six hundred ninety-one thousand, six hundred thirty-four".