747248530 has 48 divisors (see below), whose sum is σ = 1647017280. Its totient is φ = 242712288.

The previous prime is 747248527. The next prime is 747248531. The reversal of 747248530 is 35842747.

It is not an unprimeable number, because it can be changed into a prime (747248531) 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, 30822 + ... + 49441.

It is an arithmetic number, because the mean of its divisors is an integer number (34312860).

Almost surely, 2^747248530 is an apocalyptic number.

747248530 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

747248530 is an abundant number, since it is smaller than the sum of its proper divisors (899768750).

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

747248530 is a wasteful number, since it uses less digits than its factorization.

747248530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80303 (or 80296 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 747248530 is about 27335.8469779153. The cubic root of 747248530 is about 907.4478787794.

The spelling of 747248530 in words is "seven hundred forty-seven million, two hundred forty-eight thousand, five hundred thirty".