76922401 has 2 divisors, whose sum is σ = 76922402. Its totient is φ = 76922400.

The previous prime is 76922383. The next prime is 76922441. The reversal of 76922401 is 10422967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65999376 + 10923025 = 8124^2 + 3305^2 .

It is an emirp because it is prime and its reverse (10422967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76922401 - 2¹¹ = 76920353 is a prime.

It is not a weakly prime, because it can be changed into another prime (76922441) 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, 38461200 + 38461201.

It is an arithmetic number, because the mean of its divisors is an integer number (38461201).

Almost surely, 2^76922401 is an apocalyptic number.

It is an amenable number.

76922401 is a deficient number, since it is larger than the sum of its proper divisors (1).

76922401 is an equidigital number, since it uses as much as digits as its factorization.

76922401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 76922401 is about 8770.5416594416. The cubic root of 76922401 is about 425.2891246038.

The spelling of 76922401 in words is "seventy-six million, nine hundred twenty-two thousand, four hundred one".