674142616 has 128 divisors (see below), whose sum is σ = 1612431360. Its totient is φ = 257587200.

The previous prime is 674142607. The next prime is 674142617. The reversal of 674142616 is 616241476.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674142617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1563921 + ... + 1564351.

It is an arithmetic number, because the mean of its divisors is an integer number (12597120).

Almost surely, 2^674142616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674142616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (806215680).

674142616 is an abundant number, since it is smaller than the sum of its proper divisors (938288744).

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

674142616 is a wasteful number, since it uses less digits than its factorization.

674142616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 541 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 674142616 is about 25964.2565077454. The cubic root of 674142616 is about 876.8337557988.

The spelling of 674142616 in words is "six hundred seventy-four million, one hundred forty-two thousand, six hundred sixteen".