70000037 has 2 divisors, whose sum is σ = 70000038. Its totient is φ = 70000036.

The previous prime is 70000027. The next prime is 70000043. The reversal of 70000037 is 73000007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67010596 + 2989441 = 8186^2 + 1729^2 .

It is a cyclic number.

It is not a de Polignac number, because 70000037 - 2⁶ = 69999973 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 (70000027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35000018 + 35000019.

It is an arithmetic number, because the mean of its divisors is an integer number (35000019).

Almost surely, 2^70000037 is an apocalyptic number.

It is an amenable number.

70000037 is a deficient number, since it is larger than the sum of its proper divisors (1).

70000037 is an equidigital number, since it uses as much as digits as its factorization.

70000037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147, while the sum is 17.

The square root of 70000037 is about 8366.6024765134. The cubic root of 70000037 is about 412.1286025940.

The spelling of 70000037 in words is "seventy million, thirty-seven", and thus it is an aban number and an uban number.