75270252 has 24 divisors (see below), whose sum is σ = 177856000. Its totient is φ = 24772176.

The previous prime is 75270197. The next prime is 75270259. The reversal of 75270252 is 25207257.

It is a super-2 number, since 2×75270252² = 11331221672287008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75270259) 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, 38752 + ... + 40647.

Almost surely, 2^75270252 is an apocalyptic number.

It is an amenable number.

75270252 is an abundant number, since it is smaller than the sum of its proper divisors (102585748).

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

75270252 is a wasteful number, since it uses less digits than its factorization.

75270252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79485 (or 79483 counting only the distinct ones).

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

The square root of 75270252 is about 8675.8430137941. The cubic root of 75270252 is about 422.2222573818. Note that the first 4 decimals are identical.

The spelling of 75270252 in words is "seventy-five million, two hundred seventy thousand, two hundred fifty-two".