672736 has 12 divisors (see below), whose sum is σ = 1324512. Its totient is φ = 336352.

The previous prime is 672703. The next prime is 672743. The reversal of 672736 is 637276.

It is a junction number, because it is equal to n+sod(n) for n = 672698 and 672707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10480 + ... + 10543.

It is an arithmetic number, because the mean of its divisors is an integer number (110376).

2⁶⁷²⁷³⁶ is an apocalyptic number.

It is an amenable number.

672736 is a deficient number, since it is larger than the sum of its proper divisors (651776).

672736 is a wasteful number, since it uses less digits than its factorization.

672736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21033 (or 21025 counting only the distinct ones).

The product of its digits is 10584, while the sum is 31.

The square root of 672736 is about 820.2048524607. The cubic root of 672736 is about 87.6223485719.

The spelling of 672736 in words is "six hundred seventy-two thousand, seven hundred thirty-six".