47017428 has 24 divisors (see below), whose sum is σ = 114477888. Its totient is φ = 14990976.

The previous prime is 47017423. The next prime is 47017489. The reversal of 47017428 is 82471074.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47017423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84901 + ... + 85452.

It is an arithmetic number, because the mean of its divisors is an integer number (4769912).

Almost surely, 2^47017428 is an apocalyptic number.

It is an amenable number.

47017428 is an abundant number, since it is smaller than the sum of its proper divisors (67460460).

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

47017428 is a wasteful number, since it uses less digits than its factorization.

47017428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170383 (or 170381 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 47017428 is about 6856.9255501281. The cubic root of 47017428 is about 360.9272086157.

The spelling of 47017428 in words is "forty-seven million, seventeen thousand, four hundred twenty-eight".