461738645 has 8 divisors (see below), whose sum is σ = 571960320. Its totient is φ = 357474960.

The previous prime is 461738623. The next prime is 461738689. The reversal of 461738645 is 546837164.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 461738645 - 2¹⁸ = 461476501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 461738596 and 461738605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1489325 + ... + 1489634.

It is an arithmetic number, because the mean of its divisors is an integer number (71495040).

Almost surely, 2^461738645 is an apocalyptic number.

It is an amenable number.

461738645 is a deficient number, since it is larger than the sum of its proper divisors (110221675).

461738645 is a wasteful number, since it uses less digits than its factorization.

461738645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978995.

The product of its digits is 483840, while the sum is 44.

The square root of 461738645 is about 21488.1047326189. The cubic root of 461738645 is about 772.9156032498.

The spelling of 461738645 in words is "four hundred sixty-one million, seven hundred thirty-eight thousand, six hundred forty-five".