37668061 has 4 divisors (see below), whose sum is σ = 37737472. Its totient is φ = 37598652.

The previous prime is 37668031. The next prime is 37668083. The reversal of 37668061 is 16086673.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16086673 = 19 ⋅846667.

It is a cyclic number.

It is not a de Polignac number, because 37668061 - 2⁷ = 37667933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 37668061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37668011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33885 + ... + 34978.

It is an arithmetic number, because the mean of its divisors is an integer number (9434368).

Almost surely, 2^37668061 is an apocalyptic number.

It is an amenable number.

37668061 is a deficient number, since it is larger than the sum of its proper divisors (69411).

37668061 is an equidigital number, since it uses as much as digits as its factorization.

37668061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69410.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 37668061 is about 6137.4311401432. The cubic root of 37668061 is about 335.2157546807.

The spelling of 37668061 in words is "thirty-seven million, six hundred sixty-eight thousand, sixty-one".