673802387136 has 112 divisors (see below), whose sum is σ = 2034391034080. Its totient is φ = 218530483200.

The previous prime is 673802387123. The next prime is 673802387143. The reversal of 673802387136 is 631783208376.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5205415 + ... + 5333286.

Almost surely, 2^673802387136 is an apocalyptic number.

It is an amenable number.

673802387136 is an abundant number, since it is smaller than the sum of its proper divisors (1360588646944).

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

673802387136 is a wasteful number, since it uses less digits than its factorization.

673802387136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10538759 (or 10538743 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 673802387136 in words is "six hundred seventy-three billion, eight hundred two million, three hundred eighty-seven thousand, one hundred thirty-six".