672689048 has 32 divisors (see below), whose sum is σ = 1343252160. Its totient is φ = 314718720.

The previous prime is 672689041. The next prime is 672689063. The reversal of 672689048 is 840986276.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 672688987 and 672689005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672689041) 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, 9233 + ... + 37823.

It is an arithmetic number, because the mean of its divisors is an integer number (41976630).

Almost surely, 2^672689048 is an apocalyptic number.

672689048 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

672689048 is a deficient number, since it is larger than the sum of its proper divisors (670563112).

672689048 is a wasteful number, since it uses less digits than its factorization.

672689048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28787 (or 28783 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 672689048 is about 25936.2496903465. The cubic root of 672689048 is about 876.2031006039.

The spelling of 672689048 in words is "six hundred seventy-two million, six hundred eighty-nine thousand, forty-eight".