76072068669 has 16 divisors (see below), whose sum is σ = 107255038464. Its totient is φ = 47881708800.

The previous prime is 76072068661. The next prime is 76072068679. The reversal of 76072068669 is 96686027067.

It is a happy number.

It is not a de Polignac number, because 76072068669 - 2³ = 76072068661 is a prime.

It is a super-2 number, since 2×76072068669² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76072068661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9971544 + ... + 9979169.

It is an arithmetic number, because the mean of its divisors is an integer number (6703439904).

Almost surely, 2^76072068669 is an apocalyptic number.

It is an amenable number.

76072068669 is a deficient number, since it is larger than the sum of its proper divisors (31182969795).

76072068669 is a wasteful number, since it uses less digits than its factorization.

76072068669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19950788.

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 76072068669 in words is "seventy-six billion, seventy-two million, sixty-eight thousand, six hundred sixty-nine".