37066609 has 2 divisors, whose sum is σ = 37066610. Its totient is φ = 37066608.

The previous prime is 37066577. The next prime is 37066621. The reversal of 37066609 is 90666073.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28858384 + 8208225 = 5372^2 + 2865^2 .

It is a cyclic number.

It is not a de Polignac number, because 37066609 - 2⁵ = 37066577 is a prime.

It is not a weakly prime, because it can be changed into another prime (37066109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18533304 + 18533305.

It is an arithmetic number, because the mean of its divisors is an integer number (18533305).

Almost surely, 2^37066609 is an apocalyptic number.

It is an amenable number.

37066609 is a deficient number, since it is larger than the sum of its proper divisors (1).

37066609 is an equidigital number, since it uses as much as digits as its factorization.

37066609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 37066609 is about 6088.2352944018. The cubic root of 37066609 is about 333.4220256212.

It can be divided in two parts, 37066 and 609, that added together give a triangular number (37675 = T₂₇₄).

The spelling of 37066609 in words is "thirty-seven million, sixty-six thousand, six hundred nine".