674123445730 has 32 divisors (see below), whose sum is σ = 1399040532864. Its totient is φ = 229082654976.

The previous prime is 674123445703. The next prime is 674123445731. The reversal of 674123445730 is 37544321476.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (674123445731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42604192 + ... + 42620011.

It is an arithmetic number, because the mean of its divisors is an integer number (43720016652).

Almost surely, 2^674123445730 is an apocalyptic number.

674123445730 is an abundant number, since it is smaller than the sum of its proper divisors (724917087134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674123445730 is a wasteful number, since it uses less digits than its factorization.

674123445730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85224330.

The product of its (nonzero) digits is 1693440, while the sum is 46.

The spelling of 674123445730 in words is "six hundred seventy-four billion, one hundred twenty-three million, four hundred forty-five thousand, seven hundred thirty".