461556742 has 4 divisors (see below), whose sum is σ = 692335116. Its totient is φ = 230778370.

The previous prime is 461556713. The next prime is 461556743. The reversal of 461556742 is 247655164.

It is a happy number.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 461556695 and 461556704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461556743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115389184 + ... + 115389187.

It is an arithmetic number, because the mean of its divisors is an integer number (173083779).

Almost surely, 2^461556742 is an apocalyptic number.

461556742 is a deficient number, since it is larger than the sum of its proper divisors (230778374).

461556742 is a wasteful number, since it uses less digits than its factorization.

461556742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230778373.

The product of its digits is 201600, while the sum is 40.

The square root of 461556742 is about 21483.8716715586. The cubic root of 461556742 is about 772.8140926260.

The spelling of 461556742 in words is "four hundred sixty-one million, five hundred fifty-six thousand, seven hundred forty-two".