70123007 has 4 divisors (see below), whose sum is σ = 71010720. Its totient is φ = 69235296.

The previous prime is 70122989. The next prime is 70123043. The reversal of 70123007 is 70032107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70032107 = 1229 ⋅56983.

It is a cyclic number.

It is not a de Polignac number, because 70123007 - 2¹⁰ = 70121983 is a prime.

It is a super-2 number, since 2×70123007² = 9834472221444098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70123007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70123307) 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, 443738 + ... + 443895.

It is an arithmetic number, because the mean of its divisors is an integer number (17752680).

Almost surely, 2^70123007 is an apocalyptic number.

70123007 is a deficient number, since it is larger than the sum of its proper divisors (887713).

70123007 is an equidigital number, since it uses as much as digits as its factorization.

70123007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887712.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 70123007 is about 8373.9481130468. The cubic root of 70123007 is about 412.3697920225.

The spelling of 70123007 in words is "seventy million, one hundred twenty-three thousand, seven".