468729646 has 64 divisors (see below), whose sum is σ = 897785856. Its totient is φ = 178264800.

The previous prime is 468729629. The next prime is 468729683. The reversal of 468729646 is 646927864.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 468729593 and 468729602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1782111 + ... + 1782373.

It is an arithmetic number, because the mean of its divisors is an integer number (14027904).

Almost surely, 2^468729646 is an apocalyptic number.

468729646 is a deficient number, since it is larger than the sum of its proper divisors (429056210).

468729646 is a wasteful number, since it uses less digits than its factorization.

468729646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517.

The product of its digits is 3483648, while the sum is 52.

The square root of 468729646 is about 21650.1650340130. The cubic root of 468729646 is about 776.7968828394.

The spelling of 468729646 in words is "four hundred sixty-eight million, seven hundred twenty-nine thousand, six hundred forty-six".