70075007 has 4 divisors (see below), whose sum is σ = 70091760. Its totient is φ = 70058256.

The previous prime is 70074971. The next prime is 70075051. The reversal of 70075007 is 70057007.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 70075007 - 2⁶ = 70074943 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 (70075507) 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, 3758 + ... + 12420.

It is an arithmetic number, because the mean of its divisors is an integer number (17522940).

Almost surely, 2^70075007 is an apocalyptic number.

70075007 is a deficient number, since it is larger than the sum of its proper divisors (16753).

70075007 is an equidigital number, since it uses as much as digits as its factorization.

70075007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16752.

The product of its (nonzero) digits is 1715, while the sum is 26.

The square root of 70075007 is about 8371.0815908101. The cubic root of 70075007 is about 412.2756799332.

The spelling of 70075007 in words is "seventy million, seventy-five thousand, seven".