672180296 has 8 divisors (see below), whose sum is σ = 1260338070. Its totient is φ = 336090144.

The previous prime is 672180287. The next prime is 672180317. The reversal of 672180296 is 692081276.

It can be written as a sum of positive squares in only one way, i.e., 510127396 + 162052900 = 22586^2 + 12730^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42011261 + ... + 42011276.

Almost surely, 2^672180296 is an apocalyptic number.

It is an amenable number.

672180296 is a deficient number, since it is larger than the sum of its proper divisors (588157774).

672180296 is a wasteful number, since it uses less digits than its factorization.

672180296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84022543 (or 84022539 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 672180296 is about 25926.4400950073. The cubic root of 672180296 is about 875.9821552768.

The spelling of 672180296 in words is "six hundred seventy-two million, one hundred eighty thousand, two hundred ninety-six".