70561715 has 12 divisors (see below), whose sum is σ = 98498736. Its totient is φ = 48385008.

The previous prime is 70561681. The next prime is 70561721. The reversal of 70561715 is 51716507.

It is not a de Polignac number, because 70561715 - 2⁶ = 70561651 is a prime.

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, 143759 + ... + 144248.

It is an arithmetic number, because the mean of its divisors is an integer number (8208228).

Almost surely, 2^70561715 is an apocalyptic number.

70561715 is a deficient number, since it is larger than the sum of its proper divisors (27937021).

70561715 is a wasteful number, since it uses less digits than its factorization.

70561715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288026 (or 288019 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 70561715 is about 8400.1020827130. The cubic root of 70561715 is about 413.2279695161.

The spelling of 70561715 in words is "seventy million, five hundred sixty-one thousand, seven hundred fifteen".