63464761 has 4 divisors (see below), whose sum is σ = 65012724. Its totient is φ = 61916800.

The previous prime is 63464749. The next prime is 63464771. The reversal of 63464761 is 16746436.

63464761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10989225 + 52475536 = 3315^2 + 7244^2 .

It is a cyclic number.

It is not a de Polignac number, because 63464761 - 2⁷ = 63464633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63464761.

It is not an unprimeable number, because it can be changed into a prime (63464701) 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 3 ways as a sum of consecutive naturals, for example, 773920 + ... + 774001.

It is an arithmetic number, because the mean of its divisors is an integer number (16253181).

Almost surely, 2^63464761 is an apocalyptic number.

It is an amenable number.

63464761 is a deficient number, since it is larger than the sum of its proper divisors (1547963).

63464761 is a wasteful number, since it uses less digits than its factorization.

63464761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547962.

The product of its digits is 72576, while the sum is 37.

The square root of 63464761 is about 7966.4773268993. The cubic root of 63464761 is about 398.8817957108.

The spelling of 63464761 in words is "sixty-three million, four hundred sixty-four thousand, seven hundred sixty-one".