673178688 has 280 divisors, whose sum is σ = 2457736512. Its totient is φ = 177417216.

The previous prime is 673178677. The next prime is 673178689. The reversal of 673178688 is 886871376.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (673178689) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 471031 + ... + 472457.

Almost surely, 2^673178688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673178688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1228868256).

673178688 is an abundant number, since it is smaller than the sum of its proper divisors (1784557824).

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

673178688 is a wasteful number, since it uses less digits than its factorization.

673178688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471 (or 1452 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 673178688 is about 25945.6872716835. The cubic root of 673178688 is about 876.4156406257.

The spelling of 673178688 in words is "six hundred seventy-three million, one hundred seventy-eight thousand, six hundred eighty-eight".