70925713 has 8 divisors (see below), whose sum is σ = 72641448. Its totient is φ = 69224064.

The previous prime is 70925669. The next prime is 70925719. The reversal of 70925713 is 31752907.

It can be written as a sum of positive squares in 4 ways, for example, as 22581504 + 48344209 = 4752^2 + 6953^2 .

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 70925713 - 2¹³ = 70917521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70925719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7045 + ... + 13837.

It is an arithmetic number, because the mean of its divisors is an integer number (9080181).

Almost surely, 2^70925713 is an apocalyptic number.

It is an amenable number.

70925713 is a deficient number, since it is larger than the sum of its proper divisors (1715735).

70925713 is a wasteful number, since it uses less digits than its factorization.

70925713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7043.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 70925713 is about 8421.7404970707. The cubic root of 70925713 is about 413.9373072081.

The spelling of 70925713 in words is "seventy million, nine hundred twenty-five thousand, seven hundred thirteen".