76723969 has 8 divisors (see below), whose sum is σ = 88316480. Its totient is φ = 65289456.

The previous prime is 76723967. The next prime is 76723987. The reversal of 76723969 is 96932767.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76723969 - 2¹ = 76723967 is a prime.

It is a super-2 number, since 2×76723969² = 11773134838225922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76723961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38454 + ... + 40399.

It is an arithmetic number, because the mean of its divisors is an integer number (11039560).

Almost surely, 2^76723969 is an apocalyptic number.

It is an amenable number.

76723969 is a deficient number, since it is larger than the sum of its proper divisors (11592511).

76723969 is a wasteful number, since it uses less digits than its factorization.

76723969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78999.

The product of its digits is 857304, while the sum is 49.

The square root of 76723969 is about 8759.2219403324. The cubic root of 76723969 is about 424.9231122731.

The spelling of 76723969 in words is "seventy-six million, seven hundred twenty-three thousand, nine hundred sixty-nine".