70526317 has 4 divisors (see below), whose sum is σ = 70566076. Its totient is φ = 70486560.

The previous prime is 70526311. The next prime is 70526327. The reversal of 70526317 is 71362507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71362507 = 149 ⋅478943.

It can be written as a sum of positive squares in 2 ways, for example, as 285156 + 70241161 = 534^2 + 8381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70526317 is a prime.

It is a super-2 number, since 2×70526317² = 9947922779168978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70526311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17088 + ... + 20809.

It is an arithmetic number, because the mean of its divisors is an integer number (17641519).

Almost surely, 2^70526317 is an apocalyptic number.

It is an amenable number.

70526317 is a deficient number, since it is larger than the sum of its proper divisors (39759).

70526317 is a wasteful number, since it uses less digits than its factorization.

70526317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39758.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 70526317 is about 8397.9948201937. The cubic root of 70526317 is about 413.1588579573.

The spelling of 70526317 in words is "seventy million, five hundred twenty-six thousand, three hundred seventeen".