740030 has 16 divisors (see below), whose sum is σ = 1363824. Its totient is φ = 288960.

The previous prime is 740023. The next prime is 740041. The reversal of 740030 is 30047.

It is a junction number, because it is equal to n+sod(n) for n = 739987 and 740014.

It is a congruent number.

It is an unprimeable number.

740030 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431 + ... + 1290.

It is an arithmetic number, because the mean of its divisors is an integer number (85239).

2⁷⁴⁰⁰³⁰ is an apocalyptic number.

740030 is a deficient number, since it is larger than the sum of its proper divisors (623794).

740030 is a wasteful number, since it uses less digits than its factorization.

740030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771.

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 740030 is about 860.2499636734. The cubic root of 740030 is about 90.4516392515.

Adding to 740030 its reverse (30047), we get a palindrome (770077).

The spelling of 740030 in words is "seven hundred forty thousand, thirty".