37240661 has 4 divisors (see below), whose sum is σ = 37428000. Its totient is φ = 37053324.

The previous prime is 37240633. The next prime is 37240663. The reversal of 37240661 is 16604273.

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.

It is a cyclic number.

It is not a de Polignac number, because 37240661 - 2⁶ = 37240597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37240663) 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, 93371 + ... + 93768.

It is an arithmetic number, because the mean of its divisors is an integer number (9357000).

Almost surely, 2^37240661 is an apocalyptic number.

It is an amenable number.

37240661 is a deficient number, since it is larger than the sum of its proper divisors (187339).

37240661 is a wasteful number, since it uses less digits than its factorization.

37240661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187338.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 37240661 is about 6102.5126792167. The cubic root of 37240661 is about 333.9430891357.

The spelling of 37240661 in words is "thirty-seven million, two hundred forty thousand, six hundred sixty-one".