70297037 has 2 divisors, whose sum is σ = 70297038. Its totient is φ = 70297036.

The previous prime is 70297021. The next prime is 70297063. The reversal of 70297037 is 73079207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35593156 + 34703881 = 5966^2 + 5891^2 .

It is an emirp because it is prime and its reverse (73079207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70297037 - 2⁴ = 70297021 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70296988 and 70297006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70297237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35148518 + 35148519.

It is an arithmetic number, because the mean of its divisors is an integer number (35148519).

Almost surely, 2^70297037 is an apocalyptic number.

It is an amenable number.

70297037 is a deficient number, since it is larger than the sum of its proper divisors (1).

70297037 is an equidigital number, since it uses as much as digits as its factorization.

70297037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18522, while the sum is 35.

The square root of 70297037 is about 8384.3328297486. The cubic root of 70297037 is about 412.7106474781.

The spelling of 70297037 in words is "seventy million, two hundred ninety-seven thousand, thirty-seven".