37481428 has 12 divisors (see below), whose sum is σ = 65694132. Its totient is φ = 18711680.

The previous prime is 37481399. The next prime is 37481443. The reversal of 37481428 is 82418473.

It can be written as a sum of positive squares in 2 ways, for example, as 28068804 + 9412624 = 5298^2 + 3068^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4213 + ... + 9628.

It is an arithmetic number, because the mean of its divisors is an integer number (5474511).

Almost surely, 2^37481428 is an apocalyptic number.

It is an amenable number.

37481428 is a deficient number, since it is larger than the sum of its proper divisors (28212704).

37481428 is a wasteful number, since it uses less digits than its factorization.

37481428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14522 (or 14520 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 37481428 is about 6122.2077717111. The cubic root of 37481428 is about 334.6612094333.

The spelling of 37481428 in words is "thirty-seven million, four hundred eighty-one thousand, four hundred twenty-eight".