729646488 has 32 divisors (see below), whose sum is σ = 2026796400. Its totient is φ = 243215424.

The previous prime is 729646487. The next prime is 729646499. The reversal of 729646488 is 884646927.

729646488 is a `hidden beast` number, since 72 + 96 + 4 + 6 + 488 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729646487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1688781 + ... + 1689212.

Almost surely, 2^729646488 is an apocalyptic number.

It is an amenable number.

729646488 is an abundant number, since it is smaller than the sum of its proper divisors (1297149912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

729646488 is a wasteful number, since it uses less digits than its factorization.

729646488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378008 (or 3377998 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 729646488 is about 27011.9693469395. The cubic root of 729646488 is about 900.2659658391.

The spelling of 729646488 in words is "seven hundred twenty-nine million, six hundred forty-six thousand, four hundred eighty-eight".