672430293 has 12 divisors (see below), whose sum is σ = 971769708. Its totient is φ = 448064640.

The previous prime is 672430289. The next prime is 672430301. The reversal of 672430293 is 392034276.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 327139569 + 345290724 = 18087^2 + 18582^2 .

It is not a de Polignac number, because 672430293 - 2² = 672430289 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672430243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1821 + ... + 36717.

It is an arithmetic number, because the mean of its divisors is an integer number (80980809).

Almost surely, 2^672430293 is an apocalyptic number.

It is an amenable number.

672430293 is a deficient number, since it is larger than the sum of its proper divisors (299339415).

672430293 is a wasteful number, since it uses less digits than its factorization.

672430293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37044 (or 37041 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 672430293 is about 25931.2609219066. The cubic root of 672430293 is about 876.0907401156.

The spelling of 672430293 in words is "six hundred seventy-two million, four hundred thirty thousand, two hundred ninety-three".