673416988 has 12 divisors (see below), whose sum is σ = 1247802192. Its totient is φ = 316902080.

The previous prime is 673416959. The next prime is 673417009. The reversal of 673416988 is 889614376.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4951528 + ... + 4951663.

It is an arithmetic number, because the mean of its divisors is an integer number (103983516).

Almost surely, 2^673416988 is an apocalyptic number.

673416988 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

673416988 is a deficient number, since it is larger than the sum of its proper divisors (574385204).

673416988 is a wasteful number, since it uses less digits than its factorization.

673416988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9903212 (or 9903210 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 673416988 is about 25950.2791507144. The cubic root of 673416988 is about 876.5190431903.

The spelling of 673416988 in words is "six hundred seventy-three million, four hundred sixteen thousand, nine hundred eighty-eight".