70949113 has 4 divisors (see below), whose sum is σ = 70966260. Its totient is φ = 70931968.

The previous prime is 70949107. The next prime is 70949119. The reversal of 70949113 is 31194907.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (70949107) and next prime (70949119).

It can be written as a sum of positive squares in 2 ways, for example, as 42614784 + 28334329 = 6528^2 + 5323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70949113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70949119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1893 + ... + 12061.

It is an arithmetic number, because the mean of its divisors is an integer number (17741565).

Almost surely, 2^70949113 is an apocalyptic number.

It is an amenable number.

70949113 is a deficient number, since it is larger than the sum of its proper divisors (17147).

70949113 is a wasteful number, since it uses less digits than its factorization.

70949113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17146.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 70949113 is about 8423.1296440219. The cubic root of 70949113 is about 413.9828246354.

The spelling of 70949113 in words is "seventy million, nine hundred forty-nine thousand, one hundred thirteen".