672526305618 has 32 divisors (see below), whose sum is σ = 1370440016064. Its totient is φ = 219970240512.

The previous prime is 672526305613. The next prime is 672526305629. The reversal of 672526305618 is 816503625276.

It is not an unprimeable number, because it can be changed into a prime (672526305613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3151455 + ... + 3358082.

It is an arithmetic number, because the mean of its divisors is an integer number (42826250502).

Almost surely, 2^672526305618 is an apocalyptic number.

672526305618 is an abundant number, since it is smaller than the sum of its proper divisors (697913710446).

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

672526305618 is a wasteful number, since it uses less digits than its factorization.

672526305618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6509866.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 672526305618 in words is "six hundred seventy-two billion, five hundred twenty-six million, three hundred five thousand, six hundred eighteen".