70690718 has 24 divisors (see below), whose sum is σ = 123313008. Its totient is φ = 29767392.

The previous prime is 70690699. The next prime is 70690723. The reversal of 70690718 is 81709607.

It is a happy number.

It is a super-2 number, since 2×70690718² = 9994355222711048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268655 + ... + 268917.

It is an arithmetic number, because the mean of its divisors is an integer number (5138042).

Almost surely, 2^70690718 is an apocalyptic number.

70690718 is a deficient number, since it is larger than the sum of its proper divisors (52622290).

70690718 is an equidigital number, since it uses as much as digits as its factorization.

70690718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 70690718 is about 8407.7772330147. Note that the first 3 decimals coincide. The cubic root of 70690718 is about 413.4796413777.

The spelling of 70690718 in words is "seventy million, six hundred ninety thousand, seven hundred eighteen".