70265217 has 16 divisors (see below), whose sum is σ = 102513600. Its totient is φ = 42456000.

The previous prime is 70265213. The next prime is 70265219. The reversal of 70265217 is 71256207.

It is not a de Polignac number, because 70265217 - 2² = 70265213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70265213) 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, 8467 + ... + 14567.

It is an arithmetic number, because the mean of its divisors is an integer number (6407100).

Almost surely, 2^70265217 is an apocalyptic number.

It is an amenable number.

70265217 is a deficient number, since it is larger than the sum of its proper divisors (32248383).

70265217 is a wasteful number, since it uses less digits than its factorization.

70265217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6464.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 70265217 is about 8382.4350280810. The cubic root of 70265217 is about 412.6483668315.

The spelling of 70265217 in words is "seventy million, two hundred sixty-five thousand, two hundred seventeen".