1674349680 has 160 divisors (see below), whose sum is σ = 5382512640. Its totient is φ = 430110720.

The previous prime is 1674349657. The next prime is 1674349717. The reversal of 1674349680 is 869434761.

It is a super-2 number, since 2×1674349680² = 5606893701832204800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2328361 + ... + 2329079.

It is an arithmetic number, because the mean of its divisors is an integer number (33640704).

Almost surely, 2^1674349680 is an apocalyptic number.

1674349680 is a gapful number since it is divisible by the number (10) 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 1674349680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2691256320).

1674349680 is an abundant number, since it is smaller than the sum of its proper divisors (3708162960).

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

1674349680 is a wasteful number, since it uses less digits than its factorization.

1674349680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 1674349680 is about 40918.8181647515. The cubic root of 1674349680 is about 1187.4501531062.

The spelling of 1674349680 in words is "one billion, six hundred seventy-four million, three hundred forty-nine thousand, six hundred eighty".