70402269 has 12 divisors (see below), whose sum is σ = 109195584. Its totient is φ = 40229784.

The previous prime is 70402261. The next prime is 70402279. The reversal of 70402269 is 96220407.

It is a happy number.

It is not a de Polignac number, because 70402269 - 2³ = 70402261 is a prime.

It is a super-2 number, since 2×70402269² = 9912958960696722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70402261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239317 + ... + 239610.

It is an arithmetic number, because the mean of its divisors is an integer number (9099632).

Almost surely, 2^70402269 is an apocalyptic number.

It is an amenable number.

70402269 is a deficient number, since it is larger than the sum of its proper divisors (38793315).

70402269 is a wasteful number, since it uses less digits than its factorization.

70402269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478944 (or 478937 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 70402269 is about 8390.6059971852. The cubic root of 70402269 is about 412.9164822023.

The spelling of 70402269 in words is "seventy million, four hundred two thousand, two hundred sixty-nine".