70399859 has 2 divisors, whose sum is σ = 70399860. Its totient is φ = 70399858.

The previous prime is 70399841. The next prime is 70399877. The reversal of 70399859 is 95899307.

It is a balanced prime because it is at equal distance from previous prime (70399841) and next prime (70399877).

It is a cyclic number.

It is not a de Polignac number, because 70399859 - 2⁸ = 70399603 is a prime.

It is a super-2 number, since 2×70399859² = 9912280294439762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70399759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35199929 + 35199930.

It is an arithmetic number, because the mean of its divisors is an integer number (35199930).

Almost surely, 2^70399859 is an apocalyptic number.

70399859 is a deficient number, since it is larger than the sum of its proper divisors (1).

70399859 is an equidigital number, since it uses as much as digits as its factorization.

70399859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 70399859 is about 8390.4623829679. The cubic root of 70399859 is about 412.9117705167.

The spelling of 70399859 in words is "seventy million, three hundred ninety-nine thousand, eight hundred fifty-nine".