740530 has 32 divisors (see below), whose sum is σ = 1555200. Its totient is φ = 248640.

The previous prime is 740527. The next prime is 740533. The reversal of 740530 is 35047.

740530 = T₂₅₅ + T₂₅₆ + ... + T₂₇₅.

740530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (740527) and next prime (740533).

It is a junction number, because it is equal to n+sod(n) for n = 740498 and 740507.

It is not an unprimeable number, because it can be changed into a prime (740533) 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, 4896 + ... + 5044.

It is an arithmetic number, because the mean of its divisors is an integer number (48600).

2⁷⁴⁰⁵³⁰ is an apocalyptic number.

740530 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

740530 is an abundant number, since it is smaller than the sum of its proper divisors (814670).

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

740530 is a wasteful number, since it uses less digits than its factorization.

740530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 740530 is about 860.5405278080. The cubic root of 740530 is about 90.4720058303.

Adding to 740530 its reverse (35047), we get a palindrome (775577).

The spelling of 740530 in words is "seven hundred forty thousand, five hundred thirty".