672521102 has 16 divisors (see below), whose sum is σ = 1130233392. Its totient is φ = 297429120.

The previous prime is 672521089. The next prime is 672521137. The reversal of 672521102 is 201125276.

672521102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 412283 + ... + 413910.

It is an arithmetic number, because the mean of its divisors is an integer number (70639587).

Almost surely, 2^672521102 is an apocalyptic number.

672521102 is a deficient number, since it is larger than the sum of its proper divisors (457712290).

672521102 is a wasteful number, since it uses less digits than its factorization.

672521102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826243.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 672521102 is about 25933.0118189153. The cubic root of 672521102 is about 876.1301758479.

Adding to 672521102 its reverse (201125276), we get a palindrome (873646378).

The spelling of 672521102 in words is "six hundred seventy-two million, five hundred twenty-one thousand, one hundred two".