75247412 has 12 divisors (see below), whose sum is σ = 131750976. Its totient is φ = 37604280.

The previous prime is 75247399. The next prime is 75247427. The reversal of 75247412 is 21474257.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7163 + ... + 14205.

It is an arithmetic number, because the mean of its divisors is an integer number (10979248).

Almost surely, 2^75247412 is an apocalyptic number.

It is an amenable number.

75247412 is a deficient number, since it is larger than the sum of its proper divisors (56503564).

75247412 is a wasteful number, since it uses less digits than its factorization.

75247412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9718 (or 9716 counting only the distinct ones).

The product of its digits is 15680, while the sum is 32.

The square root of 75247412 is about 8674.5266153260. The cubic root of 75247412 is about 422.1795466973.

The spelling of 75247412 in words is "seventy-five million, two hundred forty-seven thousand, four hundred twelve".