750685331 has 12 divisors (see below), whose sum is σ = 826798392. Its totient is φ = 681532500.

The previous prime is 750685319. The next prime is 750685349. The reversal of 750685331 is 133586057.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 750685331 - 2²² = 746491027 is a prime.

It is a super-2 number, since 2×750685331² = 1127056932357159122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (750685301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 999206 + ... + 999956.

It is an arithmetic number, because the mean of its divisors is an integer number (68899866).

Almost surely, 2^750685331 is an apocalyptic number.

750685331 is a deficient number, since it is larger than the sum of its proper divisors (76113061).

750685331 is an frugal number, since it uses more digits than its factorization.

750685331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 750685331 is about 27398.6373931260. The cubic root of 750685331 is about 908.8369519602.

The spelling of 750685331 in words is "seven hundred fifty million, six hundred eighty-five thousand, three hundred thirty-one".