42732432 has 30 divisors (see below), whose sum is σ = 119591862. Its totient is φ = 14244096.

The previous prime is 42732427. The next prime is 42732439. The reversal of 42732432 is 23423724.

It can be written as a sum of positive squares in only one way, i.e., 26378496 + 16353936 = 5136^2 + 4044^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42732396 and 42732405.

It is not an unprimeable number, because it can be changed into a prime (42732439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148233 + ... + 148520.

Almost surely, 2^42732432 is an apocalyptic number.

It is an amenable number.

42732432 is an abundant number, since it is smaller than the sum of its proper divisors (76859430).

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

42732432 is a wasteful number, since it uses less digits than its factorization.

42732432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296767 (or 296758 counting only the distinct ones).

The product of its digits is 8064, while the sum is 27.

The square root of 42732432 is about 6537.0048187224. The cubic root of 42732432 is about 349.6116290748.

The spelling of 42732432 in words is "forty-two million, seven hundred thirty-two thousand, four hundred thirty-two".