37674521 has 2 divisors, whose sum is σ = 37674522. Its totient is φ = 37674520.

The previous prime is 37674503. The next prime is 37674523. The reversal of 37674521 is 12547673.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37650496 + 24025 = 6136^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 37674521 - 2⁶ = 37674457 is a prime.

Together with 37674523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (37674523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18837260 + 18837261.

It is an arithmetic number, because the mean of its divisors is an integer number (18837261).

Almost surely, 2^37674521 is an apocalyptic number.

It is an amenable number.

37674521 is a deficient number, since it is larger than the sum of its proper divisors (1).

37674521 is an equidigital number, since it uses as much as digits as its factorization.

37674521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 35.

The square root of 37674521 is about 6137.9573963983. The cubic root of 37674521 is about 335.2349165377.

The spelling of 37674521 in words is "thirty-seven million, six hundred seventy-four thousand, five hundred twenty-one".