464672729 has 2 divisors, whose sum is σ = 464672730. Its totient is φ = 464672728.

The previous prime is 464672687. The next prime is 464672779. The reversal of 464672729 is 927276464.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349690000 + 114982729 = 18700^2 + 10723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-464672729 is a prime.

It is equal to p_24588785 and since 464672729 and 24588785 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (464672779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232336364 + 232336365.

It is an arithmetic number, because the mean of its divisors is an integer number (232336365).

Almost surely, 2^464672729 is an apocalyptic number.

It is an amenable number.

464672729 is a deficient number, since it is larger than the sum of its proper divisors (1).

464672729 is an equidigital number, since it uses as much as digits as its factorization.

464672729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 47.

The square root of 464672729 is about 21556.2689025722. The cubic root of 464672729 is about 774.5492927078.

The spelling of 464672729 in words is "four hundred sixty-four million, six hundred seventy-two thousand, seven hundred twenty-nine".