42306697 has 4 divisors (see below), whose sum is σ = 42426900. Its totient is φ = 42186496.

The previous prime is 42306653. The next prime is 42306701. The reversal of 42306697 is 79660324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15515721 + 26790976 = 3939^2 + 5176^2 .

It is a cyclic number.

It is not a de Polignac number, because 42306697 - 2¹⁵ = 42273929 is a prime.

It is a super-2 number, since 2×42306697² = 3579713222099618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42306617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59572 + ... + 60277.

It is an arithmetic number, because the mean of its divisors is an integer number (10606725).

Almost surely, 2^42306697 is an apocalyptic number.

It is an amenable number.

42306697 is a deficient number, since it is larger than the sum of its proper divisors (120203).

42306697 is a wasteful number, since it uses less digits than its factorization.

42306697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120202.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 42306697 is about 6504.3598455190. The cubic root of 42306697 is about 348.4467140558.

The spelling of 42306697 in words is "forty-two million, three hundred six thousand, six hundred ninety-seven".