37970993 has 2 divisors, whose sum is σ = 37970994. Its totient is φ = 37970992.

The previous prime is 37970963. The next prime is 37971019. The reversal of 37970993 is 39907973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37552384 + 418609 = 6128^2 + 647^2 .

It is a cyclic number.

It is not a de Polignac number, because 37970993 - 2¹⁶ = 37905457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (37970963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18985496 + 18985497.

It is an arithmetic number, because the mean of its divisors is an integer number (18985497).

Almost surely, 2^37970993 is an apocalyptic number.

It is an amenable number.

37970993 is a deficient number, since it is larger than the sum of its proper divisors (1).

37970993 is an equidigital number, since it uses as much as digits as its factorization.

37970993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 321489, while the sum is 47.

The square root of 37970993 is about 6162.0607754225. The cubic root of 37970993 is about 336.1119743246. Note that the first 3 decimals are identical.

The spelling of 37970993 in words is "thirty-seven million, nine hundred seventy thousand, nine hundred ninety-three".