740451 has 4 divisors (see below), whose sum is σ = 987272. Its totient is φ = 493632.

The previous prime is 740429. The next prime is 740461. The reversal of 740451 is 154047.

740451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154047 = 3 ⋅51349.

It is not a de Polignac number, because 740451 - 2⁶ = 740387 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123406 + ... + 123411.

It is an arithmetic number, because the mean of its divisors is an integer number (246818).

2⁷⁴⁰⁴⁵¹ is an apocalyptic number.

740451 is a deficient number, since it is larger than the sum of its proper divisors (246821).

740451 is a wasteful number, since it uses less digits than its factorization.

740451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246820.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 740451 is about 860.4946252011. The cubic root of 740451 is about 90.4687885208.

Adding to 740451 its reverse (154047), we get a palindrome (894498).

The spelling of 740451 in words is "seven hundred forty thousand, four hundred fifty-one".