673212461 has 16 divisors (see below), whose sum is σ = 767812608. Its totient is φ = 586502400.

The previous prime is 673212437. The next prime is 673212473. The reversal of 673212461 is 164212376.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673212461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673212401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15650 + ... + 39891.

It is an arithmetic number, because the mean of its divisors is an integer number (47988288).

Almost surely, 2^673212461 is an apocalyptic number.

It is an amenable number.

673212461 is a deficient number, since it is larger than the sum of its proper divisors (94600147).

673212461 is a wasteful number, since it uses less digits than its factorization.

673212461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55612.

The product of its digits is 12096, while the sum is 32.

The square root of 673212461 is about 25946.3381038635. The cubic root of 673212461 is about 876.4302968089.

The spelling of 673212461 in words is "six hundred seventy-three million, two hundred twelve thousand, four hundred sixty-one".