70647849 has 16 divisors (see below), whose sum is σ = 105072000. Its totient is φ = 46914768.

The previous prime is 70647793. The next prime is 70647851. The reversal of 70647849 is 94874607.

It is not a de Polignac number, because 70647849 - 2⁸ = 70647593 is a prime.

It is a super-2 number, since 2×70647849² = 9982237136653602, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (70647449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2127 + ... + 12075.

It is an arithmetic number, because the mean of its divisors is an integer number (6567000).

Almost surely, 2^70647849 is an apocalyptic number.

It is an amenable number.

70647849 is a deficient number, since it is larger than the sum of its proper divisors (34424151).

70647849 is a wasteful number, since it uses less digits than its factorization.

70647849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10221 (or 10215 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 70647849 is about 8405.2274805623. The cubic root of 70647849 is about 413.3960422691.

The spelling of 70647849 in words is "seventy million, six hundred forty-seven thousand, eight hundred forty-nine".