70371047 has 4 divisors (see below), whose sum is σ = 72087456. Its totient is φ = 68654640.

The previous prime is 70371031. The next prime is 70371071. The reversal of 70371047 is 74017307.

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

It is a cyclic number.

It is not a de Polignac number, because 70371047 - 2⁴ = 70371031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70371017) 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, 858143 + ... + 858224.

It is an arithmetic number, because the mean of its divisors is an integer number (18021864).

Almost surely, 2^70371047 is an apocalyptic number.

70371047 is a deficient number, since it is larger than the sum of its proper divisors (1716409).

70371047 is a wasteful number, since it uses less digits than its factorization.

70371047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716408.

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 70371047 is about 8388.7452577844. The cubic root of 70371047 is about 412.8554331061.

The spelling of 70371047 in words is "seventy million, three hundred seventy-one thousand, forty-seven".