70918013 has 8 divisors (see below), whose sum is σ = 74911200. Its totient is φ = 66950928.

The previous prime is 70918007. The next prime is 70918019. The reversal of 70918013 is 31081907.

It is an interprime number because it is at equal distance from previous prime (70918007) and next prime (70918019).

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 70918013 - 2⁴ = 70917997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70918019) 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, 803 + ... + 11936.

It is an arithmetic number, because the mean of its divisors is an integer number (9363900).

Almost surely, 2^70918013 is an apocalyptic number.

It is an amenable number.

70918013 is a deficient number, since it is larger than the sum of its proper divisors (3993187).

70918013 is a wasteful number, since it uses less digits than its factorization.

70918013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13051.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 70918013 is about 8421.2833345043. The cubic root of 70918013 is about 413.9223270620.

The spelling of 70918013 in words is "seventy million, nine hundred eighteen thousand, thirteen".