70373613 has 4 divisors (see below), whose sum is σ = 93831488. Its totient is φ = 46915740.

The previous prime is 70373609. The next prime is 70373707. The reversal of 70373613 is 31637307.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 70373613 - 2² = 70373609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70373603) 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 3 ways as a sum of consecutive naturals, for example, 11728933 + ... + 11728938.

It is an arithmetic number, because the mean of its divisors is an integer number (23457872).

Almost surely, 2^70373613 is an apocalyptic number.

It is an amenable number.

70373613 is a deficient number, since it is larger than the sum of its proper divisors (23457875).

70373613 is a wasteful number, since it uses less digits than its factorization.

70373613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23457874.

The product of its (nonzero) digits is 7938, while the sum is 30.

The square root of 70373613 is about 8388.8981994062. The cubic root of 70373613 is about 412.8604511460.

The spelling of 70373613 in words is "seventy million, three hundred seventy-three thousand, six hundred thirteen".