42699774 has 64 divisors (see below), whose sum is σ = 97574400. Its totient is φ = 12362112.

The previous prime is 42699763. The next prime is 42699781. The reversal of 42699774 is 47799624.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97047 + ... + 97485.

It is an arithmetic number, because the mean of its divisors is an integer number (1524600).

Almost surely, 2^42699774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42699774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48787200).

42699774 is an abundant number, since it is smaller than the sum of its proper divisors (54874626).

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

42699774 is a wasteful number, since it uses less digits than its factorization.

42699774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529.

The product of its digits is 762048, while the sum is 48.

The square root of 42699774 is about 6534.5064082913. The cubic root of 42699774 is about 349.5225435263.

The spelling of 42699774 in words is "forty-two million, six hundred ninety-nine thousand, seven hundred seventy-four".