674071040 has 80 divisors (see below), whose sum is σ = 1626324480. Its totient is φ = 267939840.

The previous prime is 674071031. The next prime is 674071043. The reversal of 674071040 is 40170476.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 674070994 and 674071012.

It is not an unprimeable number, because it can be changed into a prime (674071043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457505 + ... + 458975.

It is an arithmetic number, because the mean of its divisors is an integer number (20329056).

Almost surely, 2^674071040 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 674071040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813162240).

674071040 is an abundant number, since it is smaller than the sum of its proper divisors (952253440).

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

674071040 is a wasteful number, since it uses less digits than its factorization.

674071040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 674071040 is about 25962.8781147237. The cubic root of 674071040 is about 876.8027225660.

The spelling of 674071040 in words is "six hundred seventy-four million, seventy-one thousand, forty".