37949420 has 24 divisors (see below), whose sum is σ = 81849264. Its totient is φ = 14769216.

The previous prime is 37949399. The next prime is 37949473. The reversal of 37949420 is 2494973.

37949420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24902 + ... + 26381.

It is an arithmetic number, because the mean of its divisors is an integer number (3410386).

Almost surely, 2^37949420 is an apocalyptic number.

It is an amenable number.

37949420 is an abundant number, since it is smaller than the sum of its proper divisors (43899844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

37949420 is a wasteful number, since it uses less digits than its factorization.

37949420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51329 (or 51327 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 37949420 is about 6160.3100571319. The cubic root of 37949420 is about 336.0483089081.

The spelling of 37949420 in words is "thirty-seven million, nine hundred forty-nine thousand, four hundred twenty".