673717240 has 32 divisors (see below), whose sum is σ = 1732416480. Its totient is φ = 230988672.

The previous prime is 673717237. The next prime is 673717243. The reversal of 673717240 is 42717376.

It is an interprime number because it is at equal distance from previous prime (673717237) and next prime (673717243).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 673717240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673717243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202787 + ... + 1203346.

It is an arithmetic number, because the mean of its divisors is an integer number (54138015).

Almost surely, 2^673717240 is an apocalyptic number.

It is an amenable number.

673717240 is an abundant number, since it is smaller than the sum of its proper divisors (1058699240).

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

673717240 is a wasteful number, since it uses less digits than its factorization.

673717240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406151 (or 2406147 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 673717240 is about 25956.0636460924. The cubic root of 673717240 is about 876.6492930932.

The spelling of 673717240 in words is "six hundred seventy-three million, seven hundred seventeen thousand, two hundred forty".