70855723 has 2 divisors, whose sum is σ = 70855724. Its totient is φ = 70855722.

The previous prime is 70855679. The next prime is 70855727. The reversal of 70855723 is 32755807.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70855723 is a prime.

It is not a weakly prime, because it can be changed into another prime (70855727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35427861 + 35427862.

It is an arithmetic number, because the mean of its divisors is an integer number (35427862).

Almost surely, 2^70855723 is an apocalyptic number.

70855723 is a deficient number, since it is larger than the sum of its proper divisors (1).

70855723 is an equidigital number, since it uses as much as digits as its factorization.

70855723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 70855723 is about 8417.5841546135. The cubic root of 70855723 is about 413.8011036326.

The spelling of 70855723 in words is "seventy million, eight hundred fifty-five thousand, seven hundred twenty-three".