3734788428 has 144 divisors (see below), whose sum is σ = 11589760000. Its totient is φ = 1010856672.

The previous prime is 3734788427. The next prime is 3734788451. The reversal of 3734788428 is 8248874373.

3734788428 is a `hidden beast` number, since 3 + 73 + 478 + 84 + 28 = 666.

It is a super-2 number, since 2×3734788428² = 27897289203845422368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3734788427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226653 + ... + 242571.

Almost surely, 2^3734788428 is an apocalyptic number.

3734788428 is a gapful number since it is divisible by the number (38) 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 3734788428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5794880000).

3734788428 is an abundant number, since it is smaller than the sum of its proper divisors (7854971572).

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

3734788428 is a wasteful number, since it uses less digits than its factorization.

3734788428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15969 (or 15950 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 54.

The square root of 3734788428 is about 61112.9153943747. The cubic root of 3734788428 is about 1551.5126998440.

The spelling of 3734788428 in words is "three billion, seven hundred thirty-four million, seven hundred eighty-eight thousand, four hundred twenty-eight".