70961713 has 8 divisors (see below), whose sum is σ = 74782400. Its totient is φ = 67149648.

The previous prime is 70961707. The next prime is 70961717. The reversal of 70961713 is 31716907.

It is a happy number.

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

It is not a de Polignac number, because 70961713 - 2¹³ = 70953521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70961717) 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, 21508 + ... + 24586.

It is an arithmetic number, because the mean of its divisors is an integer number (9347800).

Almost surely, 2^70961713 is an apocalyptic number.

It is an amenable number.

70961713 is a deficient number, since it is larger than the sum of its proper divisors (3820687).

70961713 is a wasteful number, since it uses less digits than its factorization.

70961713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4311.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 70961713 is about 8423.8775513418. The cubic root of 70961713 is about 414.0073298740.

The spelling of 70961713 in words is "seventy million, nine hundred sixty-one thousand, seven hundred thirteen".