74636244 has 36 divisors (see below), whose sum is σ = 189405216. Its totient is φ = 24781008.

The previous prime is 74636209. The next prime is 74636257. The reversal of 74636244 is 44263647.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 74636199 and 74636208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5527 + ... + 13409.

It is an arithmetic number, because the mean of its divisors is an integer number (5261256).

Almost surely, 2^74636244 is an apocalyptic number.

It is an amenable number.

74636244 is an abundant number, since it is smaller than the sum of its proper divisors (114768972).

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

74636244 is a wasteful number, since it uses less digits than its factorization.

74636244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8156 (or 8151 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 74636244 is about 8639.2270487585. The cubic root of 74636244 is about 421.0334414489.

The spelling of 74636244 in words is "seventy-four million, six hundred thirty-six thousand, two hundred forty-four".