42396769 has 8 divisors (see below), whose sum is σ = 43211520. Its totient is φ = 41586000.

The previous prime is 42396763. The next prime is 42396779. The reversal of 42396769 is 96769324.

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 42396769 - 2⁵ = 42396737 is a prime.

It is a super-2 number, since 2×42396769² = 3594972043278722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42396763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28494 + ... + 29944.

It is an arithmetic number, because the mean of its divisors is an integer number (5401440).

Almost surely, 2^42396769 is an apocalyptic number.

It is an amenable number.

42396769 is a deficient number, since it is larger than the sum of its proper divisors (814751).

42396769 is a wasteful number, since it uses less digits than its factorization.

42396769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991.

The product of its digits is 489888, while the sum is 46.

The square root of 42396769 is about 6511.2801352729. The cubic root of 42396769 is about 348.6938226510.

The spelling of 42396769 in words is "forty-two million, three hundred ninety-six thousand, seven hundred sixty-nine".