70016039 has 2 divisors, whose sum is σ = 70016040. Its totient is φ = 70016038.

The previous prime is 70016003. The next prime is 70016057. The reversal of 70016039 is 93061007.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70016039 - 2²⁰ = 68967463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70015999 and 70016017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70016059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35008019 + 35008020.

It is an arithmetic number, because the mean of its divisors is an integer number (35008020).

Almost surely, 2^70016039 is an apocalyptic number.

70016039 is a deficient number, since it is larger than the sum of its proper divisors (1).

70016039 is an equidigital number, since it uses as much as digits as its factorization.

70016039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 70016039 is about 8367.5587240246. The cubic root of 70016039 is about 412.1600043842.

The spelling of 70016039 in words is "seventy million, sixteen thousand, thirty-nine".