674346019 has 4 divisors (see below), whose sum is σ = 697599360. Its totient is φ = 651092680.

The previous prime is 674346011. The next prime is 674346031. The reversal of 674346019 is 910643476.

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 674346019 - 2³ = 674346011 is a prime.

It is a super-2 number, since 2×674346019² = 909485106682296722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674346011) 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, 11626627 + ... + 11626684.

It is an arithmetic number, because the mean of its divisors is an integer number (174399840).

Almost surely, 2^674346019 is an apocalyptic number.

674346019 is a deficient number, since it is larger than the sum of its proper divisors (23253341).

674346019 is a wasteful number, since it uses less digits than its factorization.

674346019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23253340.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 674346019 is about 25968.1731933534. The cubic root of 674346019 is about 876.9219333238.

The spelling of 674346019 in words is "six hundred seventy-four million, three hundred forty-six thousand, nineteen".