3667999744 has 88 divisors (see below), whose sum is σ = 7510688640. Its totient is φ = 1790029824.

The previous prime is 3667999711. The next prime is 3667999757. The reversal of 3667999744 is 4479997663.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8753967 + ... + 8754385.

Almost surely, 2^3667999744 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 3667999744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3755344320).

3667999744 is an abundant number, since it is smaller than the sum of its proper divisors (3842688896).

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

3667999744 is a wasteful number, since it uses less digits than its factorization.

3667999744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 607 counting only the distinct ones).

The product of its digits is 61725888, while the sum is 64.

The square root of 3667999744 is about 60564.0136054406. The cubic root of 3667999744 is about 1542.2085229154.

The spelling of 3667999744 in words is "three billion, six hundred sixty-seven million, nine hundred ninety-nine thousand, seven hundred forty-four".