37486993 has 2 divisors, whose sum is σ = 37486994. Its totient is φ = 37486992.

The previous prime is 37486963. The next prime is 37487003. The reversal of 37486993 is 39968473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33907329 + 3579664 = 5823^2 + 1892^2 .

It is a cyclic number.

It is not a de Polignac number, because 37486993 - 2⁵ = 37486961 is a prime.

It is not a weakly prime, because it can be changed into another prime (37486913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18743496 + 18743497.

It is an arithmetic number, because the mean of its divisors is an integer number (18743497).

Almost surely, 2^37486993 is an apocalyptic number.

It is an amenable number.

37486993 is a deficient number, since it is larger than the sum of its proper divisors (1).

37486993 is an equidigital number, since it uses as much as digits as its factorization.

37486993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 49.

The square root of 37486993 is about 6122.6622477481. The cubic root of 37486993 is about 334.6777713909.

The spelling of 37486993 in words is "thirty-seven million, four hundred eighty-six thousand, nine hundred ninety-three".