75767079772 has 24 divisors (see below), whose sum is σ = 132797269584. Its totient is φ = 37825045632.

The previous prime is 75767079749. The next prime is 75767079793. The reversal of 75767079772 is 27797076757.

It is a happy number.

It is a super-2 number, since 2×75767079772² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11046168 + ... + 11053024.

It is an arithmetic number, because the mean of its divisors is an integer number (5533219566).

Almost surely, 2^75767079772 is an apocalyptic number.

It is an amenable number.

75767079772 is a deficient number, since it is larger than the sum of its proper divisors (57030189812).

75767079772 is a wasteful number, since it uses less digits than its factorization.

75767079772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10725 (or 10723 counting only the distinct ones).

The product of its (nonzero) digits is 63530460, while the sum is 64.

The spelling of 75767079772 in words is "seventy-five billion, seven hundred sixty-seven million, seventy-nine thousand, seven hundred seventy-two".