37281421252 has 12 divisors (see below), whose sum is σ = 67347083776. Its totient is φ = 18039397320.

The previous prime is 37281421207. The next prime is 37281421313. The reversal of 37281421252 is 25212418273.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150328188 + ... + 150328435.

Almost surely, 2^37281421252 is an apocalyptic number.

It is an amenable number.

37281421252 is a deficient number, since it is larger than the sum of its proper divisors (30065662524).

37281421252 is a wasteful number, since it uses less digits than its factorization.

37281421252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300656658 (or 300656656 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The spelling of 37281421252 in words is "thirty-seven billion, two hundred eighty-one million, four hundred twenty-one thousand, two hundred fifty-two".