42772074 has 16 divisors (see below), whose sum is σ = 87856608. Its totient is φ = 13871952.

The previous prime is 42772039. The next prime is 42772091. The reversal of 42772074 is 47027724.

It is a super-2 number, since 2×42772074² = 3658900628522952, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96112 + ... + 96555.

It is an arithmetic number, because the mean of its divisors is an integer number (5491038).

Almost surely, 2^42772074 is an apocalyptic number.

42772074 is an abundant number, since it is smaller than the sum of its proper divisors (45084534).

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

42772074 is a wasteful number, since it uses less digits than its factorization.

42772074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192709.

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 42772074 is about 6540.0362384317. The cubic root of 42772074 is about 349.7197048391.

Adding to 42772074 its reverse (47027724), we get a palindrome (89799798).

The spelling of 42772074 in words is "forty-two million, seven hundred seventy-two thousand, seventy-four".