671622754 has 16 divisors (see below), whose sum is σ = 1156862880. Its totient is φ = 289215360.

The previous prime is 671622709. The next prime is 671622767. The reversal of 671622754 is 457226176.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802959 + ... + 803794.

It is an arithmetic number, because the mean of its divisors is an integer number (72303930).

Almost surely, 2^671622754 is an apocalyptic number.

671622754 is a deficient number, since it is larger than the sum of its proper divisors (485240126).

671622754 is a wasteful number, since it uses less digits than its factorization.

671622754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606785.

The product of its digits is 141120, while the sum is 40.

The square root of 671622754 is about 25915.6854819625. The cubic root of 671622754 is about 875.7398929245.

The spelling of 671622754 in words is "six hundred seventy-one million, six hundred twenty-two thousand, seven hundred fifty-four".