42706692 has 36 divisors (see below), whose sum is σ = 123375616. Its totient is φ = 12201840.

The previous prime is 42706687. The next prime is 42706693. The reversal of 42706692 is 29660724.

It is a happy number.

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 (42706693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84484 + ... + 84987.

Almost surely, 2^42706692 is an apocalyptic number.

42706692 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42706692 is an abundant number, since it is smaller than the sum of its proper divisors (80668924).

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

42706692 is a wasteful number, since it uses less digits than its factorization.

42706692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169488 (or 169483 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 42706692 is about 6535.0357305833. The cubic root of 42706692 is about 349.5414184614.

The spelling of 42706692 in words is "forty-two million, seven hundred six thousand, six hundred ninety-two".