37690961 has 8 divisors (see below), whose sum is σ = 46991424. Its totient is φ = 29369520.

The previous prime is 37690949. The next prime is 37690963. The reversal of 37690961 is 16909673.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37690961 is a prime.

It is a super-2 number, since 2×37690961² = 2841217082207042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37690963) 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, 244670 + ... + 244823.

It is an arithmetic number, because the mean of its divisors is an integer number (5873928).

Almost surely, 2^37690961 is an apocalyptic number.

It is an amenable number.

37690961 is a deficient number, since it is larger than the sum of its proper divisors (9300463).

37690961 is a wasteful number, since it uses less digits than its factorization.

37690961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489511.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 37690961 is about 6139.2964580642. The cubic root of 37690961 is about 335.2836715090.

The spelling of 37690961 in words is "thirty-seven million, six hundred ninety thousand, nine hundred sixty-one".