747759240 has 96 divisors (see below), whose sum is σ = 2445318720. Its totient is φ = 198163584.

The previous prime is 747759239. The next prime is 747759247. The reversal of 747759240 is 42957747.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (747759247) 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 23 ways as a sum of consecutive naturals, for example, 52309 + ... + 65051.

It is an arithmetic number, because the mean of its divisors is an integer number (25472070).

Almost surely, 2^747759240 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 747759240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1222659360).

747759240 is an abundant number, since it is smaller than the sum of its proper divisors (1697559480).

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

747759240 is a wasteful number, since it uses less digits than its factorization.

747759240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12923 (or 12916 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 747759240 is about 27345.1867793950. The cubic root of 747759240 is about 907.6545646620.

The spelling of 747759240 in words is "seven hundred forty-seven million, seven hundred fifty-nine thousand, two hundred forty".