75125572 has 6 divisors (see below), whose sum is σ = 131469758. Its totient is φ = 37562784.

The previous prime is 75125569. The next prime is 75125579. The reversal of 75125572 is 27552157.

It can be written as a sum of positive squares in only one way, i.e., 72488196 + 2637376 = 8514^2 + 1624^2 .

It is not an unprimeable number, because it can be changed into a prime (75125579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9390693 + ... + 9390700.

Almost surely, 2^75125572 is an apocalyptic number.

It is an amenable number.

75125572 is a deficient number, since it is larger than the sum of its proper divisors (56344186).

75125572 is a wasteful number, since it uses less digits than its factorization.

75125572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18781397 (or 18781395 counting only the distinct ones).

The product of its digits is 24500, while the sum is 34.

The square root of 75125572 is about 8667.5009085664. The cubic root of 75125572 is about 421.9515603677.

The spelling of 75125572 in words is "seventy-five million, one hundred twenty-five thousand, five hundred seventy-two".