747303040 has 128 divisors (see below), whose sum is σ = 1970101440. Its totient is φ = 268800000.

The previous prime is 747302989. The next prime is 747303061. The reversal of 747303040 is 40303747.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710515 + ... + 711565.

Almost surely, 2^747303040 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 747303040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (985050720).

747303040 is an abundant number, since it is smaller than the sum of its proper divisors (1222798400).

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

747303040 is a wasteful number, since it uses less digits than its factorization.

747303040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182 (or 1170 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 747303040 is about 27336.8440021887. The cubic root of 747303040 is about 907.4699436299.

Adding to 747303040 its reverse (40303747), we get a palindrome (787606787).

The spelling of 747303040 in words is "seven hundred forty-seven million, three hundred three thousand, forty".