672800134 has 4 divisors (see below), whose sum is σ = 1009200204. Its totient is φ = 336400066.

The previous prime is 672800129. The next prime is 672800147. The reversal of 672800134 is 431008276.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 672800096 and 672800105.

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, 168200032 + ... + 168200035.

It is an arithmetic number, because the mean of its divisors is an integer number (252300051).

Almost surely, 2^672800134 is an apocalyptic number.

672800134 is a deficient number, since it is larger than the sum of its proper divisors (336400070).

672800134 is a wasteful number, since it uses less digits than its factorization.

672800134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336400069.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 672800134 is about 25938.3911220415. The cubic root of 672800134 is about 876.2513291976.

The spelling of 672800134 in words is "six hundred seventy-two million, eight hundred thousand, one hundred thirty-four".