42472575 has 18 divisors (see below), whose sum is σ = 76073504. Its totient is φ = 22651920.

The previous prime is 42472571. The next prime is 42472589. The reversal of 42472575 is 57527424.

It is a happy number.

42472575 is a `hidden beast` number, since 42 + 47 + 2 + 575 = 666.

It is not a de Polignac number, because 42472575 - 2² = 42472571 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 (42472571) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 94159 + ... + 94608.

Almost surely, 2^42472575 is an apocalyptic number.

42472575 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42472575 is a deficient number, since it is larger than the sum of its proper divisors (33600929).

42472575 is a wasteful number, since it uses less digits than its factorization.

42472575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188783 (or 188775 counting only the distinct ones).

The product of its digits is 78400, while the sum is 36.

The square root of 42472575 is about 6517.0986642831. The cubic root of 42472575 is about 348.9015220106.

Adding to 42472575 its reverse (57527424), we get a palindrome (99999999).

It can be divided in two parts, 42 and 472575, that multiplied together give a triangular number (19848150 = T₆₃₀₀).

The spelling of 42472575 in words is "forty-two million, four hundred seventy-two thousand, five hundred seventy-five".