42372506 has 24 divisors (see below), whose sum is σ = 70211232. Its totient is φ = 19164200.

The previous prime is 42372503. The next prime is 42372523. The reversal of 42372506 is 60527324.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42372503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74981 + ... + 75543.

It is an arithmetic number, because the mean of its divisors is an integer number (2925468).

Almost surely, 2^42372506 is an apocalyptic number.

42372506 is a deficient number, since it is larger than the sum of its proper divisors (27838726).

42372506 is a wasteful number, since it uses less digits than its factorization.

42372506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 42372506 is about 6509.4167173411. The cubic root of 42372506 is about 348.6272926391.

The spelling of 42372506 in words is "forty-two million, three hundred seventy-two thousand, five hundred six".