76972319 has 2 divisors, whose sum is σ = 76972320. Its totient is φ = 76972318.

The previous prime is 76972303. The next prime is 76972331. The reversal of 76972319 is 91327967.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76972319 - 2⁴ = 76972303 is a prime.

It is a super-2 number, since 2×76972319² = 11849475784475522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76972319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76972369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38486159 + 38486160.

It is an arithmetic number, because the mean of its divisors is an integer number (38486160).

Almost surely, 2^76972319 is an apocalyptic number.

76972319 is a deficient number, since it is larger than the sum of its proper divisors (1).

76972319 is an equidigital number, since it uses as much as digits as its factorization.

76972319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 44.

The square root of 76972319 is about 8773.3869742534. The cubic root of 76972319 is about 425.3811003771.

The spelling of 76972319 in words is "seventy-six million, nine hundred seventy-two thousand, three hundred nineteen".