748737444 has 120 divisors (see below), whose sum is σ = 2195984000. Its totient is φ = 197370432.

The previous prime is 748737433. The next prime is 748737461. The reversal of 748737444 is 444737847.

It is a junction number, because it is equal to n+sod(n) for n = 748737393 and 748737402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 373557 + ... + 375555.

Almost surely, 2^748737444 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 748737444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1097992000).

748737444 is an abundant number, since it is smaller than the sum of its proper divisors (1447246556).

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

748737444 is a wasteful number, since it uses less digits than its factorization.

748737444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047 (or 2024 counting only the distinct ones).

The product of its digits is 2107392, while the sum is 48.

The square root of 748737444 is about 27363.0671526421. The cubic root of 748737444 is about 908.0501841761.

The spelling of 748737444 in words is "seven hundred forty-eight million, seven hundred thirty-seven thousand, four hundred forty-four".