740434451 has 8 divisors (see below), whose sum is σ = 754141584. Its totient is φ = 726841440.

The previous prime is 740434403. The next prime is 740434477. The reversal of 740434451 is 154434047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 740434451 - 2¹⁰ = 740433427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740434481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15380 + ... + 41441.

It is an arithmetic number, because the mean of its divisors is an integer number (94267698).

Almost surely, 2^740434451 is an apocalyptic number.

740434451 is a deficient number, since it is larger than the sum of its proper divisors (13707133).

740434451 is a wasteful number, since it uses less digits than its factorization.

740434451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57061.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 740434451 is about 27210.9252139651. The cubic root of 740434451 is about 904.6811452654.

Adding to 740434451 its reverse (154434047), we get a palindrome (894868498).

The spelling of 740434451 in words is "seven hundred forty million, four hundred thirty-four thousand, four hundred fifty-one".