74752628 has 6 divisors (see below), whose sum is σ = 130817106. Its totient is φ = 37376312.

The previous prime is 74752627. The next prime is 74752649. The reversal of 74752628 is 82625747.

It can be written as a sum of positive squares in only one way, i.e., 54789604 + 19963024 = 7402^2 + 4468^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74752627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9344075 + ... + 9344082.

It is an arithmetic number, because the mean of its divisors is an integer number (21802851).

Almost surely, 2^74752628 is an apocalyptic number.

It is an amenable number.

74752628 is a deficient number, since it is larger than the sum of its proper divisors (56064478).

74752628 is a wasteful number, since it uses less digits than its factorization.

74752628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18688161 (or 18688159 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 74752628 is about 8645.9602127236. The cubic root of 74752628 is about 421.2521739095.

The spelling of 74752628 in words is "seventy-four million, seven hundred fifty-two thousand, six hundred twenty-eight".