74244736 has 32 divisors (see below), whose sum is σ = 154346400. Its totient is φ = 35506944.

The previous prime is 74244697. The next prime is 74244739. The reversal of 74244736 is 63744247.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 74244695 and 74244704.

It is not an unprimeable number, because it can be changed into a prime (74244739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9666 + ... + 15553.

It is an arithmetic number, because the mean of its divisors is an integer number (4823325).

Almost surely, 2^74244736 is an apocalyptic number.

It is an amenable number.

74244736 is an abundant number, since it is smaller than the sum of its proper divisors (80101664).

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

74244736 is a wasteful number, since it uses less digits than its factorization.

74244736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25256 (or 25244 counting only the distinct ones).

The product of its digits is 112896, while the sum is 37.

The square root of 74244736 is about 8616.5385161328. The cubic root of 74244736 is about 420.2959667474.

The spelling of 74244736 in words is "seventy-four million, two hundred forty-four thousand, seven hundred thirty-six".