47227540 has 48 divisors (see below), whose sum is σ = 107251200. Its totient is φ = 17407872.

The previous prime is 47227529. The next prime is 47227541. The reversal of 47227540 is 4572274.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47227541) 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, 12381 + ... + 15739.

It is an arithmetic number, because the mean of its divisors is an integer number (2234400).

Almost surely, 2^47227540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47227540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53625600).

47227540 is an abundant number, since it is smaller than the sum of its proper divisors (60023660).

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

47227540 is a wasteful number, since it uses less digits than its factorization.

47227540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424 (or 3422 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 47227540 is about 6872.2296236374. The cubic root of 47227540 is about 361.4640482246.

The spelling of 47227540 in words is "forty-seven million, two hundred twenty-seven thousand, five hundred forty".