74886313 has 2 divisors, whose sum is σ = 74886314. Its totient is φ = 74886312.

The previous prime is 74886311. The next prime is 74886341. The reversal of 74886313 is 31368847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72539289 + 2347024 = 8517^2 + 1532^2 .

It is an emirp because it is prime and its reverse (31368847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74886313 - 2¹ = 74886311 is a prime.

Together with 74886311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (74886311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37443156 + 37443157.

It is an arithmetic number, because the mean of its divisors is an integer number (37443157).

Almost surely, 2^74886313 is an apocalyptic number.

It is an amenable number.

74886313 is a deficient number, since it is larger than the sum of its proper divisors (1).

74886313 is an equidigital number, since it uses as much as digits as its factorization.

74886313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 74886313 is about 8653.6878265858. The cubic root of 74886313 is about 421.5031419402.

The spelling of 74886313 in words is "seventy-four million, eight hundred eighty-six thousand, three hundred thirteen".