70897347 has 12 divisors (see below), whose sum is σ = 102617424. Its totient is φ = 47167920.

The previous prime is 70897313. The next prime is 70897349. The reversal of 70897347 is 74379807.

It is not a de Polignac number, because 70897347 - 2⁶ = 70897283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70897349) 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, 3304 + ... + 12357.

It is an arithmetic number, because the mean of its divisors is an integer number (8551452).

Almost surely, 2^70897347 is an apocalyptic number.

70897347 is a deficient number, since it is larger than the sum of its proper divisors (31720077).

70897347 is a wasteful number, since it uses less digits than its factorization.

70897347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16170 (or 16167 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 70897347 is about 8420.0562349666. The cubic root of 70897347 is about 413.8821165453.

The spelling of 70897347 in words is "seventy million, eight hundred ninety-seven thousand, three hundred forty-seven".