3737993994 has 240 divisors, whose sum is σ = 10568562048. Its totient is φ = 965359296.

The previous prime is 3737993993. The next prime is 3737994031. The reversal of 3737993994 is 4993997373.

3737993994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3737993993) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 9415404 + ... + 9415800.

Almost surely, 2^3737993994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3737993994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5284281024).

3737993994 is an abundant number, since it is smaller than the sum of its proper divisors (6830568054).

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

3737993994 is a wasteful number, since it uses less digits than its factorization.

3737993994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 451 counting only the distinct ones).

The product of its digits is 34720812, while the sum is 63.

The square root of 3737993994 is about 61139.1363530758. The cubic root of 3737993994 is about 1551.9564602893.

The spelling of 3737993994 in words is "three billion, seven hundred thirty-seven million, nine hundred ninety-three thousand, nine hundred ninety-four".