674013408 has 48 divisors (see below), whose sum is σ = 1826366976. Its totient is φ = 217422720.

The previous prime is 674013401. The next prime is 674013419. The reversal of 674013408 is 804310476.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674013401) 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, 110266 + ... + 116217.

It is an arithmetic number, because the mean of its divisors is an integer number (38049312).

Almost surely, 2^674013408 is an apocalyptic number.

It is an amenable number.

674013408 is an abundant number, since it is smaller than the sum of its proper divisors (1152353568).

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

674013408 is a wasteful number, since it uses less digits than its factorization.

674013408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226527 (or 226519 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 674013408 is about 25961.7681986416. The cubic root of 674013408 is about 876.7777334419. Note that the first 4 decimals are identical.

The spelling of 674013408 in words is "six hundred seventy-four million, thirteen thousand, four hundred eight".