70700691 has 8 divisors (see below), whose sum is σ = 99229120. Its totient is φ = 44653032.

The previous prime is 70700659. The next prime is 70700713. The reversal of 70700691 is 19600707.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70700691 - 2⁵ = 70700659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70700191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620125 + ... + 620238.

It is an arithmetic number, because the mean of its divisors is an integer number (12403640).

Almost surely, 2^70700691 is an apocalyptic number.

70700691 is a deficient number, since it is larger than the sum of its proper divisors (28528429).

70700691 is a wasteful number, since it uses less digits than its factorization.

70700691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240385.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 70700691 is about 8408.3702939392. The cubic root of 70700691 is about 413.4990849420.

The spelling of 70700691 in words is "seventy million, seven hundred thousand, six hundred ninety-one".