47003540 has 24 divisors (see below), whose sum is σ = 99376200. Its totient is φ = 18674048.

The previous prime is 47003531. The next prime is 47003557. The reversal of 47003540 is 4530074.

It can be written as a sum of positive squares in 4 ways, for example, as 1008016 + 45995524 = 1004^2 + 6782^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4907 + ... + 10866.

It is an arithmetic number, because the mean of its divisors is an integer number (4140675).

Almost surely, 2^47003540 is an apocalyptic number.

It is an amenable number.

47003540 is an abundant number, since it is smaller than the sum of its proper divisors (52372660).

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

47003540 is a wasteful number, since it uses less digits than its factorization.

47003540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15931 (or 15929 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 47003540 is about 6855.9127765747. The cubic root of 47003540 is about 360.8916682434.

The spelling of 47003540 in words is "forty-seven million, three thousand, five hundred forty".