70007007 has 16 divisors (see below), whose sum is σ = 106937600. Its totient is φ = 39906432.

The previous prime is 70006991. The next prime is 70007029. The reversal of 70007007 is 70070007.

It is not a de Polignac number, because 70007007 - 2⁴ = 70006991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

70007007 is a modest number, since divided by 7007 gives 70 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70007087) 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, 5244 + ... + 12942.

It is an arithmetic number, because the mean of its divisors is an integer number (6683600).

Almost surely, 2^70007007 is an apocalyptic number.

70007007 is a deficient number, since it is larger than the sum of its proper divisors (36930593).

70007007 is a wasteful number, since it uses less digits than its factorization.

70007007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8142.

The product of its (nonzero) digits is 343, while the sum is 21.

The square root of 70007007 is about 8367.0190032054. The cubic root of 70007007 is about 412.1422808773.

The spelling of 70007007 in words is "seventy million, seven thousand, seven".