747246444 has 96 divisors (see below), whose sum is σ = 2088124416. Its totient is φ = 203480640.

The previous prime is 747246433. The next prime is 747246481. The reversal of 747246444 is 444642747.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 747246396 and 747246405.

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 31 ways as a sum of consecutive naturals, for example, 172327 + ... + 176609.

It is an arithmetic number, because the mean of its divisors is an integer number (21751296).

Almost surely, 2^747246444 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 747246444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1044062208).

747246444 is an abundant number, since it is smaller than the sum of its proper divisors (1340877972).

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

747246444 is a wasteful number, since it uses less digits than its factorization.

747246444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4395 (or 4393 counting only the distinct ones).

The product of its digits is 602112, while the sum is 42.

The square root of 747246444 is about 27335.8088228609. The cubic root of 747246444 is about 907.4470343758.

The spelling of 747246444 in words is "seven hundred forty-seven million, two hundred forty-six thousand, four hundred forty-four".