47729998 has 16 divisors (see below), whose sum is σ = 75466080. Its totient is φ = 22605856.

The previous prime is 47729953. The next prime is 47730031. The reversal of 47729998 is 89992774.

47729998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4690 + ... + 10837.

It is an arithmetic number, because the mean of its divisors is an integer number (4716630).

Almost surely, 2^47729998 is an apocalyptic number.

47729998 is a deficient number, since it is larger than the sum of its proper divisors (27736082).

47729998 is a wasteful number, since it uses less digits than its factorization.

47729998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15611.

The product of its digits is 2286144, while the sum is 55.

The square root of 47729998 is about 6908.6900350211. The cubic root of 47729998 is about 362.7414116069.

The spelling of 47729998 in words is "forty-seven million, seven hundred twenty-nine thousand, nine hundred ninety-eight".