70869727 has 2 divisors, whose sum is σ = 70869728. Its totient is φ = 70869726.

The previous prime is 70869703. The next prime is 70869737. The reversal of 70869727 is 72796807.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70869727 - 2²³ = 62481119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70869737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35434863 + 35434864.

It is an arithmetic number, because the mean of its divisors is an integer number (35434864).

Almost surely, 2^70869727 is an apocalyptic number.

70869727 is a deficient number, since it is larger than the sum of its proper divisors (1).

70869727 is an equidigital number, since it uses as much as digits as its factorization.

70869727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 70869727 is about 8418.4159436322. The cubic root of 70869727 is about 413.8283631993.

The spelling of 70869727 in words is "seventy million, eight hundred sixty-nine thousand, seven hundred twenty-seven".