673377642 has 24 divisors (see below), whose sum is σ = 1667411616. Its totient is φ = 192393576.

The previous prime is 673377631. The next prime is 673377707. The reversal of 673377642 is 246773376.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2672008 + ... + 2672259.

It is an arithmetic number, because the mean of its divisors is an integer number (69475484).

Almost surely, 2^673377642 is an apocalyptic number.

673377642 is an abundant number, since it is smaller than the sum of its proper divisors (994033974).

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

673377642 is a wasteful number, since it uses less digits than its factorization.

673377642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5344282 (or 5344279 counting only the distinct ones).

The product of its digits is 889056, while the sum is 45.

The square root of 673377642 is about 25949.5210360423. The cubic root of 673377642 is about 876.5019719499.

The spelling of 673377642 in words is "six hundred seventy-three million, three hundred seventy-seven thousand, six hundred forty-two".