42783532 has 12 divisors (see below), whose sum is σ = 81677736. Its totient is φ = 19447040.

The previous prime is 42783527. The next prime is 42783539. The reversal of 42783532 is 23538724.

It is a super-2 number, since 2×42783532² = 3660861220790048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42783539) 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, 486133 + ... + 486220.

It is an arithmetic number, because the mean of its divisors is an integer number (6806478).

Almost surely, 2^42783532 is an apocalyptic number.

It is an amenable number.

42783532 is a deficient number, since it is larger than the sum of its proper divisors (38894204).

42783532 is a wasteful number, since it uses less digits than its factorization.

42783532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972368 (or 972366 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 42783532 is about 6540.9121688034. The cubic root of 42783532 is about 349.7509302801.

The spelling of 42783532 in words is "forty-two million, seven hundred eighty-three thousand, five hundred thirty-two".