75424761 has 12 divisors (see below), whose sum is σ = 109294692. Its totient is φ = 50122656.

The previous prime is 75424757. The next prime is 75424771. The reversal of 75424761 is 16742457.

It can be written as a sum of positive squares in 2 ways, for example, as 30869136 + 44555625 = 5556^2 + 6675^2 .

It is not a de Polignac number, because 75424761 - 2² = 75424757 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (75424721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10366 + ... + 16071.

It is an arithmetic number, because the mean of its divisors is an integer number (9107891).

Almost surely, 2^75424761 is an apocalyptic number.

It is an amenable number.

75424761 is a deficient number, since it is larger than the sum of its proper divisors (33869931).

75424761 is a wasteful number, since it uses less digits than its factorization.

75424761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26760 (or 26757 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 75424761 is about 8684.7430013789. The cubic root of 75424761 is about 422.5109617501.

The spelling of 75424761 in words is "seventy-five million, four hundred twenty-four thousand, seven hundred sixty-one".