42666932 has 96 divisors (see below), whose sum is σ = 102574080. Its totient is φ = 15016320.

The previous prime is 42666931. The next prime is 42666947. The reversal of 42666932 is 23966624.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42666931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134438 + ... + 134754.

It is an arithmetic number, because the mean of its divisors is an integer number (1068480).

Almost surely, 2^42666932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42666932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51287040).

42666932 is an abundant number, since it is smaller than the sum of its proper divisors (59907148).

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

42666932 is a wasteful number, since it uses less digits than its factorization.

42666932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 379 counting only the distinct ones).

The product of its digits is 93312, while the sum is 38.

The square root of 42666932 is about 6531.9929577427. The cubic root of 42666932 is about 349.4329102368.

The spelling of 42666932 in words is "forty-two million, six hundred sixty-six thousand, nine hundred thirty-two".