481673391 has 8 divisors (see below), whose sum is σ = 642733824. Its totient is φ = 320864280.

The previous prime is 481673377. The next prime is 481673411. The reversal of 481673391 is 193376184.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 481673391 - 2⁶ = 481673327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481673321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58311 + ... + 66056.

It is an arithmetic number, because the mean of its divisors is an integer number (80341728).

Almost surely, 2^481673391 is an apocalyptic number.

481673391 is a deficient number, since it is larger than the sum of its proper divisors (161060433).

481673391 is a wasteful number, since it uses less digits than its factorization.

481673391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125661.

The product of its digits is 108864, while the sum is 42.

The square root of 481673391 is about 21947.0588234506. The cubic root of 481673391 is about 783.8823485253.

The spelling of 481673391 in words is "four hundred eighty-one million, six hundred seventy-three thousand, three hundred ninety-one".