729896742 has 24 divisors (see below), whose sum is σ = 1664677560. Its totient is φ = 230493600.

The previous prime is 729896731. The next prime is 729896753. The reversal of 729896742 is 247698927.

It is an interprime number because it is at equal distance from previous prime (729896731) and next prime (729896753).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1066759 + ... + 1067442.

It is an arithmetic number, because the mean of its divisors is an integer number (69361565).

Almost surely, 2^729896742 is an apocalyptic number.

729896742 is an abundant number, since it is smaller than the sum of its proper divisors (934780818).

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

729896742 is a wasteful number, since it uses less digits than its factorization.

729896742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134228 (or 2134225 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 729896742 is about 27016.6012296144. The cubic root of 729896742 is about 900.3688784187.

The spelling of 729896742 in words is "seven hundred twenty-nine million, eight hundred ninety-six thousand, seven hundred forty-two".