42693732 has 36 divisors (see below), whose sum is σ = 114270156. Its totient is φ = 13393920.

The previous prime is 42693731. The next prime is 42693787. The reversal of 42693732 is 23739624.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33108516 + 9585216 = 5754^2 + 3096^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (42693731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34269 + ... + 35492.

It is an arithmetic number, because the mean of its divisors is an integer number (3174171).

Almost surely, 2^42693732 is an apocalyptic number.

It is an amenable number.

42693732 is an abundant number, since it is smaller than the sum of its proper divisors (71576424).

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

42693732 is a wasteful number, since it uses less digits than its factorization.

42693732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69788 (or 69783 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 42693732 is about 6534.0440769863. The cubic root of 42693732 is about 349.5060569846.

It can be divided in two parts, 4269 and 3732, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 42693732 in words is "forty-two million, six hundred ninety-three thousand, seven hundred thirty-two".