37421946 has 32 divisors (see below), whose sum is σ = 83736000. Its totient is φ = 12387600.

The previous prime is 37421941. The next prime is 37421953. The reversal of 37421946 is 64912473.

37421946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 37421946.

It is not an unprimeable number, because it can be changed into a prime (37421941) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5721 + ... + 10371.

It is an arithmetic number, because the mean of its divisors is an integer number (2616750).

Almost surely, 2^37421946 is an apocalyptic number.

37421946 is an abundant number, since it is smaller than the sum of its proper divisors (46314054).

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

37421946 is a wasteful number, since it uses less digits than its factorization.

37421946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811 (or 4805 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 37421946 is about 6117.3479547922. The cubic root of 37421946 is about 334.4840829764.

The spelling of 37421946 in words is "thirty-seven million, four hundred twenty-one thousand, nine hundred forty-six".