37639093 has 2 divisors, whose sum is σ = 37639094. Its totient is φ = 37639092.

The previous prime is 37639081. The next prime is 37639103. The reversal of 37639093 is 39093673.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35307364 + 2331729 = 5942^2 + 1527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37639093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37639793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18819546 + 18819547.

It is an arithmetic number, because the mean of its divisors is an integer number (18819547).

Almost surely, 2^37639093 is an apocalyptic number.

It is an amenable number.

37639093 is a deficient number, since it is larger than the sum of its proper divisors (1).

37639093 is an equidigital number, since it uses as much as digits as its factorization.

37639093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 40.

The square root of 37639093 is about 6135.0707412384. The cubic root of 37639093 is about 335.1298019307.

The spelling of 37639093 in words is "thirty-seven million, six hundred thirty-nine thousand, ninety-three".