70699357 has 2 divisors, whose sum is σ = 70699358. Its totient is φ = 70699356.

The previous prime is 70699351. The next prime is 70699367. The reversal of 70699357 is 75399607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48288601 + 22410756 = 6949^2 + 4734^2 .

It is a cyclic number.

It is not a de Polignac number, because 70699357 - 2⁷ = 70699229 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70699351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35349678 + 35349679.

It is an arithmetic number, because the mean of its divisors is an integer number (35349679).

Almost surely, 2^70699357 is an apocalyptic number.

It is an amenable number.

70699357 is a deficient number, since it is larger than the sum of its proper divisors (1).

70699357 is an equidigital number, since it uses as much as digits as its factorization.

70699357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 70699357 is about 8408.2909678483. The cubic root of 70699357 is about 413.4964842543.

The spelling of 70699357 in words is "seventy million, six hundred ninety-nine thousand, three hundred fifty-seven".