70897269 has 12 divisors (see below), whose sum is σ = 95647136. Its totient is φ = 46708248.

The previous prime is 70897249. The next prime is 70897271. The reversal of 70897269 is 96279807.

It is not a de Polignac number, because 70897269 - 2⁹ = 70896757 is a prime.

It is a super-2 number, since 2×70897269² = 10052845503316722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70897249) 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, 147772 + ... + 148250.

Almost surely, 2^70897269 is an apocalyptic number.

It is an amenable number.

70897269 is a deficient number, since it is larger than the sum of its proper divisors (24749867).

70897269 is an equidigital number, since it uses as much as digits as its factorization.

70897269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 70897269 is about 8420.0516031673. The cubic root of 70897269 is about 413.8819647633.

The spelling of 70897269 in words is "seventy million, eight hundred ninety-seven thousand, two hundred sixty-nine".