70660761 has 16 divisors (see below), whose sum is σ = 98692224. Its totient is φ = 44884224.

The previous prime is 70660757. The next prime is 70660763. The reversal of 70660761 is 16706607.

It is not a de Polignac number, because 70660761 - 2² = 70660757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70660763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17265 + ... + 20961.

It is an arithmetic number, because the mean of its divisors is an integer number (6168264).

Almost surely, 2^70660761 is an apocalyptic number.

It is an amenable number.

70660761 is a deficient number, since it is larger than the sum of its proper divisors (28031463).

70660761 is a wasteful number, since it uses less digits than its factorization.

70660761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 70660761 is about 8405.9955388996. The cubic root of 70660761 is about 413.4212256003.

The spelling of 70660761 in words is "seventy million, six hundred sixty thousand, seven hundred sixty-one".