70892713 has 2 divisors, whose sum is σ = 70892714. Its totient is φ = 70892712.

The previous prime is 70892711. The next prime is 70892729. The reversal of 70892713 is 31729807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59783824 + 11108889 = 7732^2 + 3333^2 .

It is a cyclic number.

It is not a de Polignac number, because 70892713 - 2¹ = 70892711 is a prime.

Together with 70892711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (70892711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35446356 + 35446357.

It is an arithmetic number, because the mean of its divisors is an integer number (35446357).

Almost surely, 2^70892713 is an apocalyptic number.

It is an amenable number.

70892713 is a deficient number, since it is larger than the sum of its proper divisors (1).

70892713 is an equidigital number, since it uses as much as digits as its factorization.

70892713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 70892713 is about 8419.7810541605. The cubic root of 70892713 is about 413.8730989464.

The spelling of 70892713 in words is "seventy million, eight hundred ninety-two thousand, seven hundred thirteen".