3737428 has 12 divisors (see below), whose sum is σ = 6569332. Its totient is φ = 1860480.

The previous prime is 3737423. The next prime is 3737449. The reversal of 3737428 is 8247373.

It can be written as a sum of positive squares in 2 ways, for example, as 1882384 + 1855044 = 1372^2 + 1362^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3737393 and 3737402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3737423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 975 + ... + 2902.

Almost surely, 2^3737428 is an apocalyptic number.

It is an amenable number.

3737428 is a deficient number, since it is larger than the sum of its proper divisors (2831904).

3737428 is a wasteful number, since it uses less digits than its factorization.

3737428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122 (or 4120 counting only the distinct ones).

The product of its digits is 28224, while the sum is 34.

The square root of 3737428 is about 1933.2428714468. The cubic root of 3737428 is about 155.1878125726.

The spelling of 3737428 in words is "three million, seven hundred thirty-seven thousand, four hundred twenty-eight".