674838480 has 80 divisors (see below), whose sum is σ = 2099758464. Its totient is φ = 179289600.

The previous prime is 674838427. The next prime is 674838481. The reversal of 674838480 is 84838476.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674838481) 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, 61405 + ... + 71555.

Almost surely, 2^674838480 is an apocalyptic number.

674838480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674838480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049879232).

674838480 is an abundant number, since it is smaller than the sum of its proper divisors (1424919984).

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

674838480 is a wasteful number, since it uses less digits than its factorization.

674838480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10444 (or 10438 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The square root of 674838480 is about 25977.6534737070. The cubic root of 674838480 is about 877.1353473867.

The spelling of 674838480 in words is "six hundred seventy-four million, eight hundred thirty-eight thousand, four hundred eighty".