37661043 has 8 divisors (see below), whose sum is σ = 57388288. Its totient is φ = 21520584.

The previous prime is 37661033. The next prime is 37661047. The reversal of 37661043 is 34016673.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 37661043 - 2⁸ = 37660787 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 37661043.

It is not an unprimeable number, because it can be changed into a prime (37661047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896671 + ... + 896712.

It is an arithmetic number, because the mean of its divisors is an integer number (7173536).

Almost surely, 2^37661043 is an apocalyptic number.

37661043 is a deficient number, since it is larger than the sum of its proper divisors (19727245).

37661043 is a wasteful number, since it uses less digits than its factorization.

37661043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793393.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 37661043 is about 6136.8593759349. The cubic root of 37661043 is about 335.1949351834.

The spelling of 37661043 in words is "thirty-seven million, six hundred sixty-one thousand, forty-three".