750047730 has 32 divisors (see below), whose sum is σ = 1804209984. Its totient is φ = 199557696.

The previous prime is 750047723. The next prime is 750047731. The reversal of 750047730 is 37740057.

It is a junction number, because it is equal to n+sod(n) for n = 750047691 and 750047700.

It is not an unprimeable number, because it can be changed into a prime (750047731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14929 + ... + 41508.

It is an arithmetic number, because the mean of its divisors is an integer number (56381562).

Almost surely, 2^750047730 is an apocalyptic number.

750047730 is an abundant number, since it is smaller than the sum of its proper divisors (1054162254).

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

750047730 is a wasteful number, since it uses less digits than its factorization.

750047730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56890.

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 750047730 is about 27386.9992879833. Note that the first 3 decimals coincide. The cubic root of 750047730 is about 908.5795695996.

Adding to 750047730 its reverse (37740057), we get a palindrome (787787787).

The spelling of 750047730 in words is "seven hundred fifty million, forty-seven thousand, seven hundred thirty".