70956397 has 2 divisors, whose sum is σ = 70956398. Its totient is φ = 70956396.

The previous prime is 70956383. The next prime is 70956433. The reversal of 70956397 is 79365907.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67059721 + 3896676 = 8189^2 + 1974^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70956397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70956377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35478198 + 35478199.

It is an arithmetic number, because the mean of its divisors is an integer number (35478199).

Almost surely, 2^70956397 is an apocalyptic number.

It is an amenable number.

70956397 is a deficient number, since it is larger than the sum of its proper divisors (1).

70956397 is an equidigital number, since it uses as much as digits as its factorization.

70956397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 70956397 is about 8423.5620137802. The cubic root of 70956397 is about 413.9969913509.

The spelling of 70956397 in words is "seventy million, nine hundred fifty-six thousand, three hundred ninety-seven".