32473540 has 24 divisors (see below), whose sum is σ = 74394432. Its totient is φ = 11808480.

The previous prime is 32473499. The next prime is 32473547. The reversal of 32473540 is 4537423.

It is a junction number, because it is equal to n+sod(n) for n = 32473499 and 32473508.

It is not an unprimeable number, because it can be changed into a prime (32473547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73584 + ... + 74023.

It is an arithmetic number, because the mean of its divisors is an integer number (3099768).

Almost surely, 2^32473540 is an apocalyptic number.

It is an amenable number.

32473540 is an abundant number, since it is smaller than the sum of its proper divisors (41920892).

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

32473540 is a wasteful number, since it uses less digits than its factorization.

32473540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147627 (or 147625 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 32473540 is about 5698.5559574334. Note that the first 3 decimals coincide. The cubic root of 32473540 is about 319.0385857552.

The spelling of 32473540 in words is "thirty-two million, four hundred seventy-three thousand, five hundred forty".