74724091125 has 64 divisors (see below), whose sum is σ = 125365643520. Its totient is φ = 39525408000.

The previous prime is 74724091111. The next prime is 74724091129. The reversal of 74724091125 is 52119042747.

It is not a de Polignac number, because 74724091125 - 2⁶ = 74724091061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74724091129) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48806610 + ... + 48808140.

It is an arithmetic number, because the mean of its divisors is an integer number (1958838180).

Almost surely, 2^74724091125 is an apocalyptic number.

74724091125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74724091125 is a deficient number, since it is larger than the sum of its proper divisors (50641552395).

74724091125 is a wasteful number, since it uses less digits than its factorization.

74724091125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535 (or 2525 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 74724091125 in words is "seventy-four billion, seven hundred twenty-four million, ninety-one thousand, one hundred twenty-five".