740419 has 4 divisors (see below), whose sum is σ = 758520. Its totient is φ = 722320.

The previous prime is 740387. The next prime is 740423. The reversal of 740419 is 914047.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 740419 - 2⁵ = 740387 is a prime.

It is a super-2 number, since 2×740419² = 1096440591122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 740393 and 740402.

It is not an unprimeable number, because it can be changed into a prime (740429) 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, 8989 + ... + 9070.

It is an arithmetic number, because the mean of its divisors is an integer number (189630).

2⁷⁴⁰⁴¹⁹ is an apocalyptic number.

740419 is a deficient number, since it is larger than the sum of its proper divisors (18101).

740419 is a wasteful number, since it uses less digits than its factorization.

740419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18100.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 740419 is about 860.4760310433. The cubic root of 740419 is about 90.4674852417.

The spelling of 740419 in words is "seven hundred forty thousand, four hundred nineteen".