42345797 has 8 divisors (see below), whose sum is σ = 46836216. Its totient is φ = 38031552.

The previous prime is 42345791. The next prime is 42345803. The reversal of 42345797 is 79754324.

It is an interprime number because it is at equal distance from previous prime (42345791) and next prime (42345803).

It can be written as a sum of positive squares in 4 ways, for example, as 11498881 + 30846916 = 3391^2 + 5554^2 .

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

It is not a de Polignac number, because 42345797 - 2¹⁶ = 42280261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42345791) 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, 43538 + ... + 44499.

It is an arithmetic number, because the mean of its divisors is an integer number (5854527).

Almost surely, 2^42345797 is an apocalyptic number.

It is an amenable number.

42345797 is a deficient number, since it is larger than the sum of its proper divisors (4490419).

42345797 is a wasteful number, since it uses less digits than its factorization.

42345797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88087.

The product of its digits is 211680, while the sum is 41.

The square root of 42345797 is about 6507.3648276395. The cubic root of 42345797 is about 348.5540262345.

The spelling of 42345797 in words is "forty-two million, three hundred forty-five thousand, seven hundred ninety-seven".