76420807 has 2 divisors, whose sum is σ = 76420808. Its totient is φ = 76420806.

The previous prime is 76420787. The next prime is 76420837. The reversal of 76420807 is 70802467.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76420807 - 2¹¹ = 76418759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76420837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38210403 + 38210404.

It is an arithmetic number, because the mean of its divisors is an integer number (38210404).

Almost surely, 2^76420807 is an apocalyptic number.

76420807 is a deficient number, since it is larger than the sum of its proper divisors (1).

76420807 is an equidigital number, since it uses as much as digits as its factorization.

76420807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 76420807 is about 8741.8995075441. The cubic root of 76420807 is about 424.3627025052.

The spelling of 76420807 in words is "seventy-six million, four hundred twenty thousand, eight hundred seven".