42472015 has 16 divisors (see below), whose sum is σ = 53150976. Its totient is φ = 32544000.

The previous prime is 42472009. The next prime is 42472021. The reversal of 42472015 is 51027424.

It is an interprime number because it is at equal distance from previous prime (42472009) and next prime (42472021).

It is not a de Polignac number, because 42472015 - 2⁵ = 42471983 is a prime.

It is a super-3 number, since 3×42472015³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14299 + ... + 17011.

It is an arithmetic number, because the mean of its divisors is an integer number (3321936).

Almost surely, 2^42472015 is an apocalyptic number.

42472015 is a deficient number, since it is larger than the sum of its proper divisors (10678961).

42472015 is a wasteful number, since it uses less digits than its factorization.

42472015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 42472015 is about 6517.0557002376. The cubic root of 42472015 is about 348.8999885841.

Adding to 42472015 its reverse (51027424), we get a palindrome (93499439).

The spelling of 42472015 in words is "forty-two million, four hundred seventy-two thousand, fifteen".