42472016 has 10 divisors (see below), whose sum is σ = 82289562. Its totient is φ = 21236000.

The previous prime is 42472009. The next prime is 42472021. The reversal of 42472016 is 61027424.

It can be written as a sum of positive squares in only one way, i.e., 30250000 + 12222016 = 5500^2 + 3496^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327235 + ... + 1327266.

Almost surely, 2^42472016 is an apocalyptic number.

It is an amenable number.

42472016 is a deficient number, since it is larger than the sum of its proper divisors (39817546).

42472016 is a wasteful number, since it uses less digits than its factorization.

42472016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654509 (or 2654503 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 42472016 is about 6517.0557769594. The cubic root of 42472016 is about 348.8999913224.

The spelling of 42472016 in words is "forty-two million, four hundred seventy-two thousand, sixteen".