70702997 has 2 divisors, whose sum is σ = 70702998. Its totient is φ = 70702996.

The previous prime is 70702991. The next prime is 70703027. The reversal of 70702997 is 79920707.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70123876 + 579121 = 8374^2 + 761^2 .

It is a cyclic number.

It is not a de Polignac number, because 70702997 - 2¹⁶ = 70637461 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70702991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35351498 + 35351499.

It is an arithmetic number, because the mean of its divisors is an integer number (35351499).

Almost surely, 2^70702997 is an apocalyptic number.

It is an amenable number.

70702997 is a deficient number, since it is larger than the sum of its proper divisors (1).

70702997 is an equidigital number, since it uses as much as digits as its factorization.

70702997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55566, while the sum is 41.

The square root of 70702997 is about 8408.5074180856. The cubic root of 70702997 is about 413.5035805064.

The spelling of 70702997 in words is "seventy million, seven hundred two thousand, nine hundred ninety-seven".