70402239 has 12 divisors (see below), whose sum is σ = 107044600. Its totient is φ = 44464464.

The previous prime is 70402229. The next prime is 70402243. The reversal of 70402239 is 93220407.

It is not a de Polignac number, because 70402239 - 2¹² = 70398143 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 (70402229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205684 + ... + 206025.

Almost surely, 2^70402239 is an apocalyptic number.

70402239 is a deficient number, since it is larger than the sum of its proper divisors (36642361).

70402239 is a wasteful number, since it uses less digits than its factorization.

70402239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411734 (or 411731 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 70402239 is about 8390.6042094714. The cubic root of 70402239 is about 412.9164235513.

The spelling of 70402239 in words is "seventy million, four hundred two thousand, two hundred thirty-nine".