42796657 has 4 divisors (see below), whose sum is σ = 42836976. Its totient is φ = 42756340.

The previous prime is 42796651. The next prime is 42796673. The reversal of 42796657 is 75669724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42796657 - 2⁷ = 42796529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42796651) 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 3 ways as a sum of consecutive naturals, for example, 18523 + ... + 20704.

It is an arithmetic number, because the mean of its divisors is an integer number (10709244).

Almost surely, 2^42796657 is an apocalyptic number.

It is an amenable number.

42796657 is a deficient number, since it is larger than the sum of its proper divisors (40319).

42796657 is a wasteful number, since it uses less digits than its factorization.

42796657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40318.

The product of its digits is 635040, while the sum is 46.

The square root of 42796657 is about 6541.9153922991. The cubic root of 42796657 is about 349.7866917940.

The spelling of 42796657 in words is "forty-two million, seven hundred ninety-six thousand, six hundred fifty-seven".