461772746 has 4 divisors (see below), whose sum is σ = 692659122. Its totient is φ = 230886372.

The previous prime is 461772737. The next prime is 461772749. The reversal of 461772746 is 647277164.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 409050625 + 52722121 = 20225^2 + 7261^2 .

It is a junction number, because it is equal to n+sod(n) for n = 461772697 and 461772706.

It is not an unprimeable number, because it can be changed into a prime (461772749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115443185 + ... + 115443188.

Almost surely, 2^461772746 is an apocalyptic number.

461772746 is a deficient number, since it is larger than the sum of its proper divisors (230886376).

461772746 is a wasteful number, since it uses less digits than its factorization.

461772746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230886375.

The product of its digits is 395136, while the sum is 44.

The square root of 461772746 is about 21488.8982034910. The cubic root of 461772746 is about 772.9346302806.

The spelling of 461772746 in words is "four hundred sixty-one million, seven hundred seventy-two thousand, seven hundred forty-six".