37421474736 has 80 divisors (see below), whose sum is σ = 99686619648. Its totient is φ = 12088896000.

The previous prime is 37421474603. The next prime is 37421474737. The reversal of 37421474736 is 63747412473.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (37421474737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234205 + ... + 360131.

Almost surely, 2^37421474736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37421474736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49843309824).

37421474736 is an abundant number, since it is smaller than the sum of its proper divisors (62265144912).

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

37421474736 is a wasteful number, since it uses less digits than its factorization.

37421474736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126130 (or 126124 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 48.

The spelling of 37421474736 in words is "thirty-seven billion, four hundred twenty-one million, four hundred seventy-four thousand, seven hundred thirty-six".