70055947 has 4 divisors (see below), whose sum is σ = 75444880. Its totient is φ = 64667016.

The previous prime is 70055941. The next prime is 70055957. The reversal of 70055947 is 74955007.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70055947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70055941) 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, 2694447 + ... + 2694472.

It is an arithmetic number, because the mean of its divisors is an integer number (18861220).

Almost surely, 2^70055947 is an apocalyptic number.

70055947 is a deficient number, since it is larger than the sum of its proper divisors (5388933).

70055947 is a wasteful number, since it uses less digits than its factorization.

70055947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388932.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 70055947 is about 8369.9430702962. The cubic root of 70055947 is about 412.2382976703.

The spelling of 70055947 in words is "seventy million, fifty-five thousand, nine hundred forty-seven".