75271172 has 24 divisors (see below), whose sum is σ = 143247384. Its totient is φ = 34463232.

The previous prime is 75271169. The next prime is 75271177. The reversal of 75271172 is 27117257.

It can be written as a sum of positive squares in 4 ways, for example, as 53963716 + 21307456 = 7346^2 + 4616^2 .

It is not an unprimeable number, because it can be changed into a prime (75271177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12443 + ... + 17474.

It is an arithmetic number, because the mean of its divisors is an integer number (5968641).

Almost surely, 2^75271172 is an apocalyptic number.

It is an amenable number.

75271172 is a deficient number, since it is larger than the sum of its proper divisors (67976212).

75271172 is a wasteful number, since it uses less digits than its factorization.

75271172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29975 (or 29973 counting only the distinct ones).

The product of its digits is 6860, while the sum is 32.

The square root of 75271172 is about 8675.8960344163. The cubic root of 75271172 is about 422.2239775961.

The spelling of 75271172 in words is "seventy-five million, two hundred seventy-one thousand, one hundred seventy-two".