70770859 has 2 divisors, whose sum is σ = 70770860. Its totient is φ = 70770858.

The previous prime is 70770841. The next prime is 70770929. The reversal of 70770859 is 95807707.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70770859 - 2⁷ = 70770731 is a prime.

It is not a weakly prime, because it can be changed into another prime (70770809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35385429 + 35385430.

It is an arithmetic number, because the mean of its divisors is an integer number (35385430).

Almost surely, 2^70770859 is an apocalyptic number.

70770859 is a deficient number, since it is larger than the sum of its proper divisors (1).

70770859 is an equidigital number, since it uses as much as digits as its factorization.

70770859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123480, while the sum is 43.

The square root of 70770859 is about 8412.5417680984. The cubic root of 70770859 is about 413.6358342442.

The spelling of 70770859 in words is "seventy million, seven hundred seventy thousand, eight hundred fifty-nine".