70995813 has 16 divisors (see below), whose sum is σ = 109800960. Its totient is φ = 39962736.

The previous prime is 70995787. The next prime is 70995823. The reversal of 70995813 is 31859907.

It is a happy number.

It is not a de Polignac number, because 70995813 - 2²⁰ = 69947237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70995823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23823 + ... + 26636.

It is an arithmetic number, because the mean of its divisors is an integer number (6862560).

Almost surely, 2^70995813 is an apocalyptic number.

It is an amenable number.

70995813 is a deficient number, since it is larger than the sum of its proper divisors (38805147).

70995813 is a wasteful number, since it uses less digits than its factorization.

70995813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50536.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 70995813 is about 8425.9013167732. The cubic root of 70995813 is about 414.0736350621.

The spelling of 70995813 in words is "seventy million, nine hundred ninety-five thousand, eight hundred thirteen".