42407697 has 8 divisors (see below), whose sum is σ = 56837344. Its totient is φ = 28124928.

The previous prime is 42407689. The next prime is 42407711. The reversal of 42407697 is 79670424.

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

It is not a de Polignac number, because 42407697 - 2³ = 42407689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42407647) 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 7 ways as a sum of consecutive naturals, for example, 36043 + ... + 37200.

It is an arithmetic number, because the mean of its divisors is an integer number (7104668).

Almost surely, 2^42407697 is an apocalyptic number.

It is an amenable number.

42407697 is a deficient number, since it is larger than the sum of its proper divisors (14429647).

42407697 is a wasteful number, since it uses less digits than its factorization.

42407697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73439.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 42407697 is about 6512.1192403088. The cubic root of 42407697 is about 348.7237793264.

The spelling of 42407697 in words is "forty-two million, four hundred seven thousand, six hundred ninety-seven".