461872730 has 24 divisors (see below), whose sum is σ = 913823316. Its totient is φ = 167953280.

The previous prime is 461872717. The next prime is 461872753. The reversal of 461872730 is 37278164.

It can be written as a sum of positive squares in 2 ways, for example, as 429028369 + 32844361 = 20713^2 + 5731^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189647 + ... + 192066.

Almost surely, 2^461872730 is an apocalyptic number.

461872730 is a deficient number, since it is larger than the sum of its proper divisors (451950586).

461872730 is a wasteful number, since it uses less digits than its factorization.

461872730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381742 (or 381731 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 461872730 is about 21491.2244881486. The cubic root of 461872730 is about 772.9904120619.

The spelling of 461872730 in words is "four hundred sixty-one million, eight hundred seventy-two thousand, seven hundred thirty".