70392661 has 8 divisors (see below), whose sum is σ = 72762624. Its totient is φ = 68028960.

The previous prime is 70392649. The next prime is 70392667. The reversal of 70392661 is 16629307.

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

It is a cyclic number.

It is not a de Polignac number, because 70392661 - 2⁹ = 70392149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70392667) 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, 35841 + ... + 37753.

It is an arithmetic number, because the mean of its divisors is an integer number (9095328).

Almost surely, 2^70392661 is an apocalyptic number.

It is an amenable number.

70392661 is a deficient number, since it is larger than the sum of its proper divisors (2369963).

70392661 is a wasteful number, since it uses less digits than its factorization.

70392661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 70392661 is about 8390.0334325913. The cubic root of 70392661 is about 412.8976973813.

The spelling of 70392661 in words is "seventy million, three hundred ninety-two thousand, six hundred sixty-one".