674441737984 has 72 divisors (see below), whose sum is σ = 1555857888480. Its totient is φ = 285798678528.

The previous prime is 674441737969. The next prime is 674441737993. The reversal of 674441737984 is 489737144476.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1954909 + ... + 2273884.

It is an arithmetic number, because the mean of its divisors is an integer number (21609137340).

Almost surely, 2^674441737984 is an apocalyptic number.

674441737984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

674441737984 is an abundant number, since it is smaller than the sum of its proper divisors (881416150496).

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

674441737984 is an equidigital number, since it uses as much as digits as its factorization.

674441737984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228905 (or 4228891 counting only the distinct ones).

The product of its digits is 113799168, while the sum is 64.

The spelling of 674441737984 in words is "six hundred seventy-four billion, four hundred forty-one million, seven hundred thirty-seven thousand, nine hundred eighty-four".