672499340234 has 4 divisors (see below), whose sum is σ = 1008749010354. Its totient is φ = 336249670116.

The previous prime is 672499340213. The next prime is 672499340239. The reversal of 672499340234 is 432043994276.

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

It can be written as a sum of positive squares in only one way, i.e., 546051536209 + 126447804025 = 738953^2 + 355595^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (672499340239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168124835057 + ... + 168124835060.

Almost surely, 2^672499340234 is an apocalyptic number.

672499340234 is a deficient number, since it is larger than the sum of its proper divisors (336249670120).

672499340234 is a wasteful number, since it uses less digits than its factorization.

672499340234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336249670119.

The product of its (nonzero) digits is 7838208, while the sum is 53.

The spelling of 672499340234 in words is "six hundred seventy-two billion, four hundred ninety-nine million, three hundred forty thousand, two hundred thirty-four".