3749629648 has 40 divisors (see below), whose sum is σ = 7650403200. Its totient is φ = 1776829824.

The previous prime is 3749629643. The next prime is 3749629673. The reversal of 3749629648 is 8469269473.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3749629592 and 3749629601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3749629643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6628 + ... + 86851.

It is an arithmetic number, because the mean of its divisors is an integer number (191260080).

Almost surely, 2^3749629648 is an apocalyptic number.

It is an amenable number.

3749629648 is an abundant number, since it is smaller than the sum of its proper divisors (3900773552).

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

3749629648 is a wasteful number, since it uses less digits than its factorization.

3749629648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93619 (or 93613 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 58.

The square root of 3749629648 is about 61234.2195834976. The cubic root of 3749629648 is about 1553.5651059699.

The spelling of 3749629648 in words is "three billion, seven hundred forty-nine million, six hundred twenty-nine thousand, six hundred forty-eight".