47321118 has 32 divisors (see below), whose sum is σ = 113248800. Its totient is φ = 14560128.

The previous prime is 47321117. The next prime is 47321119. The reversal of 47321118 is 81112374.

It is an interprime number because it is at equal distance from previous prime (47321117) and next prime (47321119).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 47321091 and 47321100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47321111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33003 + ... + 34406.

It is an arithmetic number, because the mean of its divisors is an integer number (3539025).

Almost surely, 2^47321118 is an apocalyptic number.

47321118 is an abundant number, since it is smaller than the sum of its proper divisors (65927682).

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

47321118 is a wasteful number, since it uses less digits than its factorization.

47321118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67433 (or 67427 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 47321118 is about 6879.0346706497. The cubic root of 47321118 is about 361.7026291218.

The spelling of 47321118 in words is "forty-seven million, three hundred twenty-one thousand, one hundred eighteen".