74606129 has 8 divisors (see below), whose sum is σ = 80681832. Its totient is φ = 68578560.

The previous prime is 74606113. The next prime is 74606131. The reversal of 74606129 is 92160647.

It can be written as a sum of positive squares in 4 ways, for example, as 8151025 + 66455104 = 2855^2 + 8152^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 74606129 - 2⁴ = 74606113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74606159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8774 + ... + 15039.

It is an arithmetic number, because the mean of its divisors is an integer number (10085229).

Almost surely, 2^74606129 is an apocalyptic number.

It is an amenable number.

74606129 is a deficient number, since it is larger than the sum of its proper divisors (6075703).

74606129 is a wasteful number, since it uses less digits than its factorization.

74606129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24067.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 74606129 is about 8637.4839507810. The cubic root of 74606129 is about 420.9768061953.

The spelling of 74606129 in words is "seventy-four million, six hundred six thousand, one hundred twenty-nine".