74045634 has 16 divisors (see below), whose sum is σ = 159483072. Its totient is φ = 22783248.

The previous prime is 74045593. The next prime is 74045651. The reversal of 74045634 is 43654047.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 74045595 and 74045604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474574 + ... + 474729.

It is an arithmetic number, because the mean of its divisors is an integer number (9967692).

Almost surely, 2^74045634 is an apocalyptic number.

74045634 is an abundant number, since it is smaller than the sum of its proper divisors (85437438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74045634 is a wasteful number, since it uses less digits than its factorization.

74045634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949321.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 74045634 is about 8604.9772806208. The cubic root of 74045634 is about 419.9199280461.

The spelling of 74045634 in words is "seventy-four million, forty-five thousand, six hundred thirty-four".