42372297 has 12 divisors (see below), whose sum is σ = 66768624. Its totient is φ = 25680120.

The previous prime is 42372293. The next prime is 42372349. The reversal of 42372297 is 79227324.

42372297 is a `hidden beast` number, since 423 + 7 + 229 + 7 = 666.

It is not a de Polignac number, because 42372297 - 2² = 42372293 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42372293) 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 11 ways as a sum of consecutive naturals, for example, 213903 + ... + 214100.

It is an arithmetic number, because the mean of its divisors is an integer number (5564052).

Almost surely, 2^42372297 is an apocalyptic number.

It is an amenable number.

42372297 is a deficient number, since it is larger than the sum of its proper divisors (24396327).

42372297 is a wasteful number, since it uses less digits than its factorization.

42372297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428020 (or 428017 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 42372297 is about 6509.4006636556. The cubic root of 42372297 is about 348.6267194433.

The spelling of 42372297 in words is "forty-two million, three hundred seventy-two thousand, two hundred ninety-seven".