674061978723 has 16 divisors (see below), whose sum is σ = 1027349015040. Its totient is φ = 385100666496.

The previous prime is 674061978713. The next prime is 674061978743. The reversal of 674061978723 is 327879160476.

674061978723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 674061978723 - 2⁵ = 674061978691 is a prime.

It is a super-2 number, since 2×674061978723² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (674061978713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3126838 + ... + 3335451.

It is an arithmetic number, because the mean of its divisors is an integer number (64209313440).

Almost surely, 2^674061978723 is an apocalyptic number.

674061978723 is a deficient number, since it is larger than the sum of its proper divisors (353287036317).

674061978723 is a wasteful number, since it uses less digits than its factorization.

674061978723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6467266.

The product of its (nonzero) digits is 21337344, while the sum is 60.

The spelling of 674061978723 in words is "six hundred seventy-four billion, sixty-one million, nine hundred seventy-eight thousand, seven hundred twenty-three".