3749821242 has 24 divisors (see below), whose sum is σ = 7523329536. Its totient is φ = 1246004928.

The previous prime is 3749821217. The next prime is 3749821259. The reversal of 3749821242 is 2421289473.

It is a super-2 number, since 2×3749821242² = 28122318693908845128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3749821194 and 3749821203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 678663 + ... + 684165.

It is an arithmetic number, because the mean of its divisors is an integer number (313472064).

Almost surely, 2^3749821242 is an apocalyptic number.

3749821242 is an abundant number, since it is smaller than the sum of its proper divisors (3773508294).

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

3749821242 is an equidigital number, since it uses as much as digits as its factorization.

3749821242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6182 (or 5845 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 3749821242 is about 61235.7839992271. The cubic root of 3749821242 is about 1553.5915662438.

The spelling of 3749821242 in words is "three billion, seven hundred forty-nine million, eight hundred twenty-one thousand, two hundred forty-two".