70071407 has 16 divisors (see below), whose sum is σ = 82148352. Its totient is φ = 58523040.

The previous prime is 70071403. The next prime is 70071427. The reversal of 70071407 is 70417007.

It is a cyclic number.

It is not a de Polignac number, because 70071407 - 2² = 70071403 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 (70071403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122432 + ... + 123002.

It is an arithmetic number, because the mean of its divisors is an integer number (5134272).

Almost surely, 2^70071407 is an apocalyptic number.

70071407 is a deficient number, since it is larger than the sum of its proper divisors (12076945).

70071407 is a wasteful number, since it uses less digits than its factorization.

70071407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 70071407 is about 8370.8665620711. The cubic root of 70071407 is about 412.2686197943.

It can be divided in two parts, 700 and 71407, that multiplied together give a square (49984900 = 7070²).

The spelling of 70071407 in words is "seventy million, seventy-one thousand, four hundred seven".