1673687376 has 60 divisors (see below), whose sum is σ = 4729517728. Its totient is φ = 552474432.

The previous prime is 1673687369. The next prime is 1673687381. The reversal of 1673687376 is 6737863761.

It is a happy number.

1673687376 is a `hidden beast` number, since 167 + 36 + 87 + 376 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 41590 + ... + 71253.

Almost surely, 2^1673687376 is an apocalyptic number.

1673687376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1673687376 is an abundant number, since it is smaller than the sum of its proper divisors (3055830352).

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

1673687376 is a wasteful number, since it uses less digits than its factorization.

1673687376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112960 (or 112951 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 54.

The square root of 1673687376 is about 40910.7244619305. The cubic root of 1673687376 is about 1187.2935636126.

The spelling of 1673687376 in words is "one billion, six hundred seventy-three million, six hundred eighty-seven thousand, three hundred seventy-six".