672540463510617 has 32 divisors (see below), whose sum is σ = 973312559493120. Its totient is φ = 410608218504960.

The previous prime is 672540463510613. The next prime is 672540463510637. The reversal of 672540463510617 is 716015364045276.

It is not a de Polignac number, because 672540463510617 - 2² = 672540463510613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672540463510613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 553480267 + ... + 554694047.

It is an arithmetic number, because the mean of its divisors is an integer number (30416017484160).

Almost surely, 2^{672540463510617} is an apocalyptic number.

It is an amenable number.

672540463510617 is a deficient number, since it is larger than the sum of its proper divisors (300772095982503).

672540463510617 is a wasteful number, since it uses less digits than its factorization.

672540463510617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325793.

The product of its (nonzero) digits is 25401600, while the sum is 57.

The spelling of 672540463510617 in words is "six hundred seventy-two trillion, five hundred forty billion, four hundred sixty-three million, five hundred ten thousand, six hundred seventeen".