42732472 has 8 divisors (see below), whose sum is σ = 80123400. Its totient is φ = 21366232.

The previous prime is 42732451. The next prime is 42732479. The reversal of 42732472 is 27423724.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42732479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2670772 + ... + 2670787.

It is an arithmetic number, because the mean of its divisors is an integer number (10015425).

Almost surely, 2^42732472 is an apocalyptic number.

It is an amenable number.

42732472 is a deficient number, since it is larger than the sum of its proper divisors (37390928).

42732472 is a wasteful number, since it uses less digits than its factorization.

42732472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341565 (or 5341561 counting only the distinct ones).

The product of its digits is 18816, while the sum is 31.

The square root of 42732472 is about 6537.0078782269. The cubic root of 42732472 is about 349.6117381603.

The spelling of 42732472 in words is "forty-two million, seven hundred thirty-two thousand, four hundred seventy-two".