671517354 has 16 divisors (see below), whose sum is σ = 1351078848. Its totient is φ = 222498432.

The previous prime is 671517337. The next prime is 671517389. The reversal of 671517354 is 453715176.

It is a super-2 number, since 2×671517354² = 901871113446322632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334087 + ... + 336090.

It is an arithmetic number, because the mean of its divisors is an integer number (84442428).

Almost surely, 2^671517354 is an apocalyptic number.

671517354 is an abundant number, since it is smaller than the sum of its proper divisors (679561494).

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

671517354 is a wasteful number, since it uses less digits than its factorization.

671517354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670349.

The product of its digits is 88200, while the sum is 39.

The square root of 671517354 is about 25913.6518846727. The cubic root of 671517354 is about 875.6940795999.

The spelling of 671517354 in words is "six hundred seventy-one million, five hundred seventeen thousand, three hundred fifty-four".