42699756 has 48 divisors (see below), whose sum is σ = 110492928. Its totient is φ = 12724800.

The previous prime is 42699751. The next prime is 42699763. The reversal of 42699756 is 65799624.

It is not an unprimeable number, because it can be changed into a prime (42699751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5401 + ... + 10703.

It is an arithmetic number, because the mean of its divisors is an integer number (2301936).

Almost surely, 2^42699756 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 42699756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55246464).

42699756 is an abundant number, since it is smaller than the sum of its proper divisors (67793172).

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

42699756 is a wasteful number, since it uses less digits than its factorization.

42699756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5382 (or 5380 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The square root of 42699756 is about 6534.5050309874. The cubic root of 42699756 is about 349.5224944128.

The spelling of 42699756 in words is "forty-two million, six hundred ninety-nine thousand, seven hundred fifty-six".