674712758140 has 48 divisors (see below), whose sum is σ = 1441033896960. Its totient is φ = 265288334400.

The previous prime is 674712758123. The next prime is 674712758149. The reversal of 674712758140 is 41857217476.

It is a happy number.

It is a super-2 number, since 2×674712758140² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674712758149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24236269 + ... + 24264091.

It is an arithmetic number, because the mean of its divisors is an integer number (30021539520).

Almost surely, 2^674712758140 is an apocalyptic number.

It is an amenable number.

674712758140 is an abundant number, since it is smaller than the sum of its proper divisors (766321138820).

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

674712758140 is a wasteful number, since it uses less digits than its factorization.

674712758140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48442 (or 48440 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 52.

The spelling of 674712758140 in words is "six hundred seventy-four billion, seven hundred twelve million, seven hundred fifty-eight thousand, one hundred forty".