70077313 has 4 divisors (see below), whose sum is σ = 70378308. Its totient is φ = 69776320.

The previous prime is 70077209. The next prime is 70077341. The reversal of 70077313 is 31377007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31377007 = 53 ⋅592019.

It can be written as a sum of positive squares in 2 ways, for example, as 18122049 + 51955264 = 4257^2 + 7208^2 .

It is a cyclic number.

It is not a de Polignac number, because 70077313 - 2¹⁷ = 69946241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70077013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150148 + ... + 150613.

It is an arithmetic number, because the mean of its divisors is an integer number (17594577).

Almost surely, 2^70077313 is an apocalyptic number.

It is an amenable number.

70077313 is a deficient number, since it is larger than the sum of its proper divisors (300995).

70077313 is a wasteful number, since it uses less digits than its factorization.

70077313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300994.

The product of its (nonzero) digits is 3087, while the sum is 28.

The square root of 70077313 is about 8371.2193257613. The cubic root of 70077313 is about 412.2802022174.

The spelling of 70077313 in words is "seventy million, seventy-seven thousand, three hundred thirteen".