37066721000 has 128 divisors (see below), whose sum is σ = 88908019200. Its totient is φ = 14460076800.

The previous prime is 37066720991. The next prime is 37066721009. The reversal of 37066721000 is 12766073.

It is an interprime number because it is at equal distance from previous prime (37066720991) and next prime (37066721009).

It is not an unprimeable number, because it can be changed into a prime (37066721009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6554174 + ... + 6559826.

It is an arithmetic number, because the mean of its divisors is an integer number (694593900).

Almost surely, 2^37066721000 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 37066721000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44454009600).

37066721000 is an abundant number, since it is smaller than the sum of its proper divisors (51841298200).

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

37066721000 is a wasteful number, since it uses less digits than its factorization.

37066721000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5836 (or 5822 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The spelling of 37066721000 in words is "thirty-seven billion, sixty-six million, seven hundred twenty-one thousand".