70680785 has 12 divisors (see below), whose sum is σ = 98664948. Its totient is φ = 48466656.

The previous prime is 70680733. The next prime is 70680791. The reversal of 70680785 is 58708607.

It can be written as a sum of positive squares in 2 ways, for example, as 25897921 + 44782864 = 5089^2 + 6692^2 .

It is not a de Polignac number, because 70680785 - 2⁸ = 70680529 is a prime.

It is a Duffinian 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, 144002 + ... + 144491.

It is an arithmetic number, because the mean of its divisors is an integer number (8222079).

Almost surely, 2^70680785 is an apocalyptic number.

It is an amenable number.

70680785 is a deficient number, since it is larger than the sum of its proper divisors (27984163).

70680785 is a wasteful number, since it uses less digits than its factorization.

70680785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288512 (or 288505 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 70680785 is about 8407.1865091718. The cubic root of 70680785 is about 413.4602739804.

The spelling of 70680785 in words is "seventy million, six hundred eighty thousand, seven hundred eighty-five".