76816073 has 2 divisors, whose sum is σ = 76816074. Its totient is φ = 76816072.

The previous prime is 76816063. The next prime is 76816079. The reversal of 76816073 is 37061867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57350329 + 19465744 = 7573^2 + 4412^2 .

It is a cyclic number.

It is not a de Polignac number, because 76816073 - 2⁴ = 76816057 is a prime.

It is a super-2 number, since 2×76816073² = 11801418142282658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76816079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38408036 + 38408037.

It is an arithmetic number, because the mean of its divisors is an integer number (38408037).

Almost surely, 2^76816073 is an apocalyptic number.

It is an amenable number.

76816073 is a deficient number, since it is larger than the sum of its proper divisors (1).

76816073 is an equidigital number, since it uses as much as digits as its factorization.

76816073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 76816073 is about 8764.4779080103. The cubic root of 76816073 is about 425.0930785755.

The spelling of 76816073 in words is "seventy-six million, eight hundred sixteen thousand, seventy-three".