729634854 has 48 divisors (see below), whose sum is σ = 1601964432. Its totient is φ = 221405184.

The previous prime is 729634853. The next prime is 729634861. The reversal of 729634854 is 458436927.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729634853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69094 + ... + 78950.

It is an arithmetic number, because the mean of its divisors is an integer number (33374259).

Almost surely, 2^729634854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 729634854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800982216).

729634854 is an abundant number, since it is smaller than the sum of its proper divisors (872329578).

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

729634854 is a wasteful number, since it uses less digits than its factorization.

729634854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9961 (or 9948 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 729634854 is about 27011.7539971028. The cubic root of 729634854 is about 900.2611809878.

The spelling of 729634854 in words is "seven hundred twenty-nine million, six hundred thirty-four thousand, eight hundred fifty-four".