42642932 has 6 divisors (see below), whose sum is σ = 74625138. Its totient is φ = 21321464.

The previous prime is 42642913. The next prime is 42642967. The reversal of 42642932 is 23924624.

It can be written as a sum of positive squares in only one way, i.e., 36312676 + 6330256 = 6026^2 + 2516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5330363 + ... + 5330370.

It is an arithmetic number, because the mean of its divisors is an integer number (12437523).

Almost surely, 2^42642932 is an apocalyptic number.

It is an amenable number.

42642932 is a deficient number, since it is larger than the sum of its proper divisors (31982206).

42642932 is a wasteful number, since it uses less digits than its factorization.

42642932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10660737 (or 10660735 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 42642932 is about 6530.1555877330. The cubic root of 42642932 is about 349.3673796852.

The spelling of 42642932 in words is "forty-two million, six hundred forty-two thousand, nine hundred thirty-two".