47533278 has 24 divisors (see below), whose sum is σ = 102944088. Its totient is φ = 14625312.

The previous prime is 47533267. The next prime is 47533279. The reversal of 47533278 is 87233574.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47533279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22425 + ... + 24452.

It is an arithmetic number, because the mean of its divisors is an integer number (4289337).

Almost surely, 2^47533278 is an apocalyptic number.

47533278 is an abundant number, since it is smaller than the sum of its proper divisors (55410810).

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

47533278 is a wasteful number, since it uses less digits than its factorization.

47533278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46908 (or 46895 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 47533278 is about 6894.4381932105. The cubic root of 47533278 is about 362.2423770817.

The spelling of 47533278 in words is "forty-seven million, five hundred thirty-three thousand, two hundred seventy-eight".