740331 has 12 divisors (see below), whose sum is σ = 1094808. Its totient is φ = 481824.

The previous prime is 740329. The next prime is 740351. The reversal of 740331 is 133047.

It is not a de Polignac number, because 740331 - 2¹ = 740329 is a prime.

It is a super-2 number, since 2×740331² = 1096179979122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 570 + ... + 1343.

It is an arithmetic number, because the mean of its divisors is an integer number (91234).

2⁷⁴⁰³³¹ is an apocalyptic number.

740331 is a deficient number, since it is larger than the sum of its proper divisors (354477).

740331 is a wasteful number, since it uses less digits than its factorization.

740331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962 (or 1959 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 740331 is about 860.4248950373. The cubic root of 740331 is about 90.4639010305.

Adding to 740331 its reverse (133047), we get a palindrome (873378).

The spelling of 740331 in words is "seven hundred forty thousand, three hundred thirty-one".