47032520 has 16 divisors (see below), whose sum is σ = 105823260. Its totient is φ = 18812992.

The previous prime is 47032471. The next prime is 47032529. The reversal of 47032520 is 2523074.

It can be written as a sum of positive squares in 2 ways, for example, as 46594276 + 438244 = 6826^2 + 662^2 .

It is not an unprimeable number, because it can be changed into a prime (47032529) 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, 587867 + ... + 587946.

Almost surely, 2^47032520 is an apocalyptic number.

47032520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47032520 is an abundant number, since it is smaller than the sum of its proper divisors (58790740).

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

47032520 is a wasteful number, since it uses less digits than its factorization.

47032520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175824 (or 1175820 counting only the distinct ones).

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

The square root of 47032520 is about 6858.0259550398. The cubic root of 47032520 is about 360.9658221749.

Adding to 47032520 its reverse (2523074), we get a palindrome (49555594).

The spelling of 47032520 in words is "forty-seven million, thirty-two thousand, five hundred twenty".