47371540 has 12 divisors (see below), whose sum is σ = 99480276. Its totient is φ = 18948608.

The previous prime is 47371483. The next prime is 47371543. The reversal of 47371540 is 4517374.

It can be written as a sum of positive squares in 2 ways, for example, as 11587216 + 35784324 = 3404^2 + 5982^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47371543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1184269 + ... + 1184308.

It is an arithmetic number, because the mean of its divisors is an integer number (8290023).

Almost surely, 2^47371540 is an apocalyptic number.

It is an amenable number.

47371540 is an abundant number, since it is smaller than the sum of its proper divisors (52108736).

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

47371540 is a wasteful number, since it uses less digits than its factorization.

47371540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368586 (or 2368584 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 47371540 is about 6882.6985986603. The cubic root of 47371540 is about 361.8310516736.

The spelling of 47371540 in words is "forty-seven million, three hundred seventy-one thousand, five hundred forty".