74740744 has 16 divisors (see below), whose sum is σ = 150919020. Its totient is φ = 34495680.

The previous prime is 74740741. The next prime is 74740747. The reversal of 74740744 is 44704747.

It is an interprime number because it is at equal distance from previous prime (74740741) and next prime (74740747).

It can be written as a sum of positive squares in 2 ways, for example, as 66618244 + 8122500 = 8162^2 + 2850^2 .

It is not an unprimeable number, because it can be changed into a prime (74740741) 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, 359227 + ... + 359434.

Almost surely, 2^74740744 is an apocalyptic number.

It is an amenable number.

74740744 is an abundant number, since it is smaller than the sum of its proper divisors (76178276).

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

74740744 is a wasteful number, since it uses less digits than its factorization.

74740744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718680 (or 718676 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 37.

The square root of 74740744 is about 8645.2729280226. The cubic root of 74740744 is about 421.2298494941.

The spelling of 74740744 in words is "seventy-four million, seven hundred forty thousand, seven hundred forty-four".