42699357 has 6 divisors (see below), whose sum is σ = 61676862. Its totient is φ = 28466232.

The previous prime is 42699353. The next prime is 42699373. The reversal of 42699357 is 75399624.

It is a happy number.

42699357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 26101881 + 16597476 = 5109^2 + 4074^2 .

It is not a de Polignac number, because 42699357 - 2² = 42699353 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42699353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2372178 + ... + 2372195.

It is an arithmetic number, because the mean of its divisors is an integer number (10279477).

Almost surely, 2^42699357 is an apocalyptic number.

It is an amenable number.

42699357 is a deficient number, since it is larger than the sum of its proper divisors (18977505).

42699357 is a wasteful number, since it uses less digits than its factorization.

42699357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744379 (or 4744376 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 42699357 is about 6534.4745006772. The cubic root of 42699357 is about 349.5214057266.

The spelling of 42699357 in words is "forty-two million, six hundred ninety-nine thousand, three hundred fifty-seven".