750030 has 32 divisors (see below), whose sum is σ = 1880064. Its totient is φ = 191136.

The previous prime is 750019. The next prime is 750037. The reversal of 750030 is 30057.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 749991 and 750009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (750037) 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, 147 + ... + 1233.

It is an arithmetic number, because the mean of its divisors is an integer number (58752).

2⁷⁵⁰⁰³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 750030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940032).

750030 is an abundant number, since it is smaller than the sum of its proper divisors (1130034).

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

750030 is a wasteful number, since it uses less digits than its factorization.

750030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120.

The product of its (nonzero) digits is 105, while the sum is 15.

The square root of 750030 is about 866.0427241193. The cubic root of 750030 is about 90.8572410392.

Adding to 750030 its reverse (30057), we get a palindrome (780087).

The spelling of 750030 in words is "seven hundred fifty thousand, thirty".