42797061 has 6 divisors (see below), whose sum is σ = 61817990. Its totient is φ = 28531368.

The previous prime is 42797057. The next prime is 42797087. The reversal of 42797061 is 16079724.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 31708161 + 11088900 = 5631^2 + 3330^2 .

It is not a de Polignac number, because 42797061 - 2² = 42797057 is a prime.

It is a super-3 number, since 3×42797061³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42797761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2377606 + ... + 2377623.

Almost surely, 2^42797061 is an apocalyptic number.

It is an amenable number.

42797061 is a deficient number, since it is larger than the sum of its proper divisors (19020929).

42797061 is a wasteful number, since it uses less digits than its factorization.

42797061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755235 (or 4755232 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 42797061 is about 6541.9462700331. The cubic root of 42797061 is about 349.7877924515.

The spelling of 42797061 in words is "forty-two million, seven hundred ninety-seven thousand, sixty-one".