37620961 has 8 divisors (see below), whose sum is σ = 43056320. Its totient is φ = 32200848.

The previous prime is 37620943. The next prime is 37620991. The reversal of 37620961 is 16902673.

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

It is a cyclic number.

It is not a de Polignac number, because 37620961 - 2⁷ = 37620833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37620901) 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, 2095 + ... + 8923.

It is an arithmetic number, because the mean of its divisors is an integer number (5382040).

Almost surely, 2^37620961 is an apocalyptic number.

It is an amenable number.

37620961 is a deficient number, since it is larger than the sum of its proper divisors (5435359).

37620961 is an equidigital number, since it uses as much as digits as its factorization.

37620961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7623.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 37620961 is about 6133.5928296554. The cubic root of 37620961 is about 335.0759789052.

The spelling of 37620961 in words is "thirty-seven million, six hundred twenty thousand, nine hundred sixty-one".