674178120 has 512 divisors, whose sum is σ = 2867097600. Its totient is φ = 137998080.

The previous prime is 674178101. The next prime is 674178149. The reversal of 674178120 is 21871476.

It is a super-2 number, since 2×674178120² = 909032274973468800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10062327 + ... + 10062393.

It is an arithmetic number, because the mean of its divisors is an integer number (5599800).

Almost surely, 2^674178120 is an apocalyptic number.

674178120 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 674178120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1433548800).

674178120 is an abundant number, since it is smaller than the sum of its proper divisors (2192919480).

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

674178120 is a wasteful number, since it uses less digits than its factorization.

674178120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 674178120 is about 25964.9402079034. The cubic root of 674178120 is about 876.8491484662.

The spelling of 674178120 in words is "six hundred seventy-four million, one hundred seventy-eight thousand, one hundred twenty".