747409344 has 112 divisors (see below), whose sum is σ = 2231867520. Its totient is φ = 218659840.

The previous prime is 747409343. The next prime is 747409367. The reversal of 747409344 is 443904747.

It is a junction number, because it is equal to n+sod(n) for n = 747409296 and 747409305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747409343) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 55147 + ... + 67349.

Almost surely, 2^747409344 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 747409344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1115933760).

747409344 is an abundant number, since it is smaller than the sum of its proper divisors (1484458176).

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

747409344 is a wasteful number, since it uses less digits than its factorization.

747409344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12258 (or 12248 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

The square root of 747409344 is about 27338.7882686852. The cubic root of 747409344 is about 907.5129708472.

The spelling of 747409344 in words is "seven hundred forty-seven million, four hundred nine thousand, three hundred forty-four".