63461731 has 8 divisors (see below), whose sum is σ = 67264560. Its totient is φ = 59666688.

The previous prime is 63461719. The next prime is 63461791. The reversal of 63461731 is 13716436.

63461731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 63461731 - 2⁷ = 63461603 is a prime.

It is a super-2 number, since 2×63461731² = 8054782603032722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63461693 and 63461702.

It is not an unprimeable number, because it can be changed into a prime (63461711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29335 + ... + 31423.

It is an arithmetic number, because the mean of its divisors is an integer number (8408070).

Almost surely, 2^63461731 is an apocalyptic number.

63461731 is a deficient number, since it is larger than the sum of its proper divisors (3802829).

63461731 is a wasteful number, since it uses less digits than its factorization.

63461731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893.

The product of its digits is 9072, while the sum is 31.

The square root of 63461731 is about 7966.2871527456. The cubic root of 63461731 is about 398.8754476679.

The spelling of 63461731 in words is "sixty-three million, four hundred sixty-one thousand, seven hundred thirty-one".