74063634 has 64 divisors (see below), whose sum is σ = 166440960. Its totient is φ = 21859200.

The previous prime is 74063629. The next prime is 74063663. The reversal of 74063634 is 43636047.

It is a junction number, because it is equal to n+sod(n) for n = 74063595 and 74063604.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122934 + ... + 123534.

It is an arithmetic number, because the mean of its divisors is an integer number (2600640).

Almost surely, 2^74063634 is an apocalyptic number.

74063634 is an abundant number, since it is smaller than the sum of its proper divisors (92377326).

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

74063634 is a wasteful number, since it uses less digits than its factorization.

74063634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695.

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 74063634 is about 8606.0231233712. The cubic root of 74063634 is about 419.9539518676.

The spelling of 74063634 in words is "seventy-four million, sixty-three thousand, six hundred thirty-four".