750229921 has 8 divisors (see below), whose sum is σ = 859261184. Its totient is φ = 641662560.

The previous prime is 750229903. The next prime is 750229967. The reversal of 750229921 is 129922057.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 750229921 - 2⁵ = 750229889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (750229121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112500 + ... + 118981.

It is an arithmetic number, because the mean of its divisors is an integer number (107407648).

Almost surely, 2^750229921 is an apocalyptic number.

It is an amenable number.

750229921 is a deficient number, since it is larger than the sum of its proper divisors (109031263).

750229921 is a wasteful number, since it uses less digits than its factorization.

750229921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231951.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 750229921 is about 27390.3253175277. The cubic root of 750229921 is about 908.6531300823.

The spelling of 750229921 in words is "seven hundred fifty million, two hundred twenty-nine thousand, nine hundred twenty-one".