69315427 has 2 divisors, whose sum is σ = 69315428. Its totient is φ = 69315426.

The previous prime is 69315419. The next prime is 69315451. The reversal of 69315427 is 72451396.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69315427 - 2³ = 69315419 is a prime.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34657713 + 34657714.

It is an arithmetic number, because the mean of its divisors is an integer number (34657714).

Almost surely, 2^69315427 is an apocalyptic number.

69315427 is a deficient number, since it is larger than the sum of its proper divisors (1).

69315427 is an equidigital number, since it uses as much as digits as its factorization.

69315427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 69315427 is about 8325.5886878947. The cubic root of 69315427 is about 410.7806404183.

The spelling of 69315427 in words is "sixty-nine million, three hundred fifteen thousand, four hundred twenty-seven".