42763697 has 8 divisors (see below), whose sum is σ = 44067240. Its totient is φ = 41472640.

The previous prime is 42763681. The next prime is 42763729. The reversal of 42763697 is 79636724.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14205361 + 28558336 = 3769^2 + 5344^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42763697 - 2⁴ = 42763681 is a prime.

It is a super-2 number, since 2×42763697² = 3657467562215618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42763627) 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 7 ways as a sum of consecutive naturals, for example, 4079 + ... + 10107.

It is an arithmetic number, because the mean of its divisors is an integer number (5508405).

Almost surely, 2^42763697 is an apocalyptic number.

It is an amenable number.

42763697 is a deficient number, since it is larger than the sum of its proper divisors (1303543).

42763697 is a wasteful number, since it uses less digits than its factorization.

42763697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6243.

The product of its digits is 381024, while the sum is 44.

The square root of 42763697 is about 6539.3957671944. The cubic root of 42763697 is about 349.6968722370.

The spelling of 42763697 in words is "forty-two million, seven hundred sixty-three thousand, six hundred ninety-seven".