75222672 has 80 divisors (see below), whose sum is σ = 233794560. Its totient is φ = 20359296.

The previous prime is 75222629. The next prime is 75222703. The reversal of 75222672 is 27622257.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493 + ... + 12275.

It is an arithmetic number, because the mean of its divisors is an integer number (2922432).

Almost surely, 2^75222672 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 75222672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116897280).

75222672 is an abundant number, since it is smaller than the sum of its proper divisors (158571888).

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

75222672 is a wasteful number, since it uses less digits than its factorization.

75222672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11820 (or 11814 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 75222672 is about 8673.1004836794. The cubic root of 75222672 is about 422.1332732704.

The spelling of 75222672 in words is "seventy-five million, two hundred twenty-two thousand, six hundred seventy-two".