75725712 has 40 divisors (see below), whose sum is σ = 217362080. Its totient is φ = 25241760.

The previous prime is 75725681. The next prime is 75725723. The reversal of 75725712 is 21752757.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87214 + ... + 88077.

It is an arithmetic number, because the mean of its divisors is an integer number (5434052).

Almost surely, 2^75725712 is an apocalyptic number.

75725712 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

75725712 is an abundant number, since it is smaller than the sum of its proper divisors (141636368).

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

75725712 is a wasteful number, since it uses less digits than its factorization.

75725712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175308 (or 175296 counting only the distinct ones).

The product of its digits is 34300, while the sum is 36.

The square root of 75725712 is about 8702.0521717581. The cubic root of 75725712 is about 423.0721671548.

The spelling of 75725712 in words is "seventy-five million, seven hundred twenty-five thousand, seven hundred twelve".