747203040 has 288 divisors, whose sum is σ = 2732105376. Its totient is φ = 185303040.

The previous prime is 747203029. The next prime is 747203071. The reversal of 747203040 is 40302747.

It is a tau number, because it is divible by the number of its divisors (288).

It is a junction number, because it is equal to n+sod(n) for n = 747202995 and 747203013.

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 47 ways as a sum of consecutive naturals, for example, 3206764 + ... + 3206996.

It is an arithmetic number, because the mean of its divisors is an integer number (9486477).

Almost surely, 2^747203040 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 747203040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1366052688).

747203040 is an abundant number, since it is smaller than the sum of its proper divisors (1984902336).

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

747203040 is a wasteful number, since it uses less digits than its factorization.

747203040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 747203040 is about 27335.0149076235. The cubic root of 747203040 is about 907.4294642716.

Adding to 747203040 its reverse (40302747), we get a palindrome (787505787).

The spelling of 747203040 in words is "seven hundred forty-seven million, two hundred three thousand, forty".