74030724 has 18 divisors (see below), whose sum is σ = 187133310. Its totient is φ = 24676896.

The previous prime is 74030717. The next prime is 74030731. The reversal of 74030724 is 42703047.

It is an interprime number because it is at equal distance from previous prime (74030717) and next prime (74030731).

It can be written as a sum of positive squares in only one way, i.e., 62252100 + 11778624 = 7890^2 + 3432^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1028169 + ... + 1028240.

It is an arithmetic number, because the mean of its divisors is an integer number (10396295).

Almost surely, 2^74030724 is an apocalyptic number.

It is an amenable number.

74030724 is an abundant number, since it is smaller than the sum of its proper divisors (113102586).

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

74030724 is a wasteful number, since it uses less digits than its factorization.

74030724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056419 (or 2056414 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 74030724 is about 8604.1108779467. The cubic root of 74030724 is about 419.8917408050.

The spelling of 74030724 in words is "seventy-four million, thirty thousand, seven hundred twenty-four".