74752500 has 60 divisors (see below), whose sum is σ = 217980224. Its totient is φ = 19932000.

The previous prime is 74752477. The next prime is 74752523. The reversal of 74752500 is 525747.

It is an interprime number because it is at equal distance from previous prime (74752477) and next prime (74752523).

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2517 + ... + 12483.

Almost surely, 2^74752500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74752500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108990112).

74752500 is an abundant number, since it is smaller than the sum of its proper divisors (143227724).

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

74752500 is a wasteful number, since it uses less digits than its factorization.

74752500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9994 (or 9977 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 74752500 is about 8645.9528104195. The cubic root of 74752500 is about 421.2519334706.

The spelling of 74752500 in words is "seventy-four million, seven hundred fifty-two thousand, five hundred".