47693720 has 64 divisors (see below), whose sum is σ = 114462720. Its totient is φ = 17843584.

The previous prime is 47693699. The next prime is 47693731. The reversal of 47693720 is 2739674.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42689 + ... + 43791.

It is an arithmetic number, because the mean of its divisors is an integer number (1788480).

Almost surely, 2^47693720 is an apocalyptic number.

47693720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47693720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57231360).

47693720 is an abundant number, since it is smaller than the sum of its proper divisors (66769000).

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

47693720 is a wasteful number, since it uses less digits than its factorization.

47693720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184 (or 1180 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 47693720 is about 6906.0640020203. The cubic root of 47693720 is about 362.6494857117.

The spelling of 47693720 in words is "forty-seven million, six hundred ninety-three thousand, seven hundred twenty".