76448137 has 2 divisors, whose sum is σ = 76448138. Its totient is φ = 76448136.

The previous prime is 76448123. The next prime is 76448143. The reversal of 76448137 is 73184467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60279696 + 16168441 = 7764^2 + 4021^2 .

It is a cyclic number.

It is not a de Polignac number, because 76448137 - 2¹⁵ = 76415369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76448137.

It is not a weakly prime, because it can be changed into another prime (76448117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38224068 + 38224069.

It is an arithmetic number, because the mean of its divisors is an integer number (38224069).

Almost surely, 2^76448137 is an apocalyptic number.

It is an amenable number.

76448137 is a deficient number, since it is larger than the sum of its proper divisors (1).

76448137 is an equidigital number, since it uses as much as digits as its factorization.

76448137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 40.

The square root of 76448137 is about 8743.4625292272. The cubic root of 76448137 is about 424.4132840629.

The spelling of 76448137 in words is "seventy-six million, four hundred forty-eight thousand, one hundred thirty-seven".