729975145526 has 8 divisors (see below), whose sum is σ = 1194504783624. Its totient is φ = 331806884320.

The previous prime is 729975145517. The next prime is 729975145541. The reversal of 729975145526 is 625541579927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16590344195 + ... + 16590344238.

It is an arithmetic number, because the mean of its divisors is an integer number (149313097953).

Almost surely, 2^729975145526 is an apocalyptic number.

729975145526 is a deficient number, since it is larger than the sum of its proper divisors (464529638098).

729975145526 is a wasteful number, since it uses less digits than its factorization.

729975145526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33180688446.

The product of its digits is 47628000, while the sum is 62.

The spelling of 729975145526 in words is "seven hundred twenty-nine billion, nine hundred seventy-five million, one hundred forty-five thousand, five hundred twenty-six".