729174990 has 16 divisors (see below), whose sum is σ = 1750020048. Its totient is φ = 194446656.

The previous prime is 729174983. The next prime is 729175009. The reversal of 729174990 is 99471927.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12152887 + ... + 12152946.

It is an arithmetic number, because the mean of its divisors is an integer number (109376253).

Almost surely, 2^729174990 is an apocalyptic number.

729174990 is an abundant number, since it is smaller than the sum of its proper divisors (1020845058).

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

729174990 is a wasteful number, since it uses less digits than its factorization.

729174990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24305843.

The product of its (nonzero) digits is 285768, while the sum is 48.

The square root of 729174990 is about 27003.2403611122. The cubic root of 729174990 is about 900.0720065845.

The spelling of 729174990 in words is "seven hundred twenty-nine million, one hundred seventy-four thousand, nine hundred ninety".