72248042 has 16 divisors (see below), whose sum is σ = 112472064. Its totient is φ = 34770000.

The previous prime is 72248039. The next prime is 72248047. The reversal of 72248042 is 24084227.

It is a junction number, because it is equal to n+sod(n) for n = 72247996 and 72248014.

It is not an unprimeable number, because it can be changed into a prime (72248047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8792 + ... + 14892.

It is an arithmetic number, because the mean of its divisors is an integer number (7029504).

Almost surely, 2^72248042 is an apocalyptic number.

72248042 is a deficient number, since it is larger than the sum of its proper divisors (40224022).

72248042 is a wasteful number, since it uses less digits than its factorization.

72248042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 72248042 is about 8499.8848227491. The cubic root of 72248042 is about 416.4939468305.

The spelling of 72248042 in words is "seventy-two million, two hundred forty-eight thousand, forty-two".