37674344640 has 448 divisors, whose sum is σ = 132094955520. Its totient is φ = 9055764480.

The previous prime is 37674344629. The next prime is 37674344707. The reversal of 37674344640 is 4644347673.

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

It is a self number, because there is not a number n which added to its sum of digits gives 37674344640.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57168631 + ... + 57169289.

Almost surely, 2^37674344640 is an apocalyptic number.

37674344640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37674344640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66047477760).

37674344640 is an abundant number, since it is smaller than the sum of its proper divisors (94420610880).

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

37674344640 is a wasteful number, since it uses less digits than its factorization.

37674344640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 48.

The spelling of 37674344640 in words is "thirty-seven billion, six hundred seventy-four million, three hundred forty-four thousand, six hundred forty".