70882681 has 2 divisors, whose sum is σ = 70882682. Its totient is φ = 70882680.

The previous prime is 70882667. The next prime is 70882723. The reversal of 70882681 is 18628807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42367081 + 28515600 = 6509^2 + 5340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70882681 is a prime.

It is a super-2 number, since 2×70882681² = 10048708931495522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70882601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35441340 + 35441341.

It is an arithmetic number, because the mean of its divisors is an integer number (35441341).

Almost surely, 2^70882681 is an apocalyptic number.

It is an amenable number.

70882681 is a deficient number, since it is larger than the sum of its proper divisors (1).

70882681 is an equidigital number, since it uses as much as digits as its factorization.

70882681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 70882681 is about 8419.1852931266. The cubic root of 70882681 is about 413.8535756855.

The spelling of 70882681 in words is "seventy million, eight hundred eighty-two thousand, six hundred eighty-one".