672835207256 has 16 divisors (see below), whose sum is σ = 1261810249440. Its totient is φ = 336352474080.

The previous prime is 672835207241. The next prime is 672835207271. The reversal of 672835207256 is 652702538276.

It is an interprime number because it is at equal distance from previous prime (672835207241) and next prime (672835207271).

It is a super-2 number, since 2×672835207256² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) 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 = 672835207198 and 672835207207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8097275 + ... + 8179946.

It is an arithmetic number, because the mean of its divisors is an integer number (78863140590).

Almost surely, 2^672835207256 is an apocalyptic number.

It is an amenable number.

672835207256 is a deficient number, since it is larger than the sum of its proper divisors (588975042184).

672835207256 is a wasteful number, since it uses less digits than its factorization.

672835207256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16282394 (or 16282390 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 672835207256 in words is "six hundred seventy-two billion, eight hundred thirty-five million, two hundred seven thousand, two hundred fifty-six".