75705772 has 6 divisors (see below), whose sum is σ = 132485108. Its totient is φ = 37852884.

The previous prime is 75705739. The next prime is 75705781. The reversal of 75705772 is 27750757.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9463218 + ... + 9463225.

Almost surely, 2^75705772 is an apocalyptic number.

It is an amenable number.

75705772 is a deficient number, since it is larger than the sum of its proper divisors (56779336).

75705772 is a wasteful number, since it uses less digits than its factorization.

75705772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18926447 (or 18926445 counting only the distinct ones).

The product of its (nonzero) digits is 120050, while the sum is 40.

The square root of 75705772 is about 8700.9063895665. The cubic root of 75705772 is about 423.0350296166.

The spelling of 75705772 in words is "seventy-five million, seven hundred five thousand, seven hundred seventy-two".