72247502 has 8 divisors (see below), whose sum is σ = 108463536. Its totient is φ = 36092992.

The previous prime is 72247499. The next prime is 72247543. The reversal of 72247502 is 20574227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12323 + ... + 17214.

It is an arithmetic number, because the mean of its divisors is an integer number (13557942).

Almost surely, 2^72247502 is an apocalyptic number.

72247502 is a deficient number, since it is larger than the sum of its proper divisors (36216034).

72247502 is a wasteful number, since it uses less digits than its factorization.

72247502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30762.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 72247502 is about 8499.8530575534. The cubic root of 72247502 is about 416.4929091678.

The spelling of 72247502 in words is "seventy-two million, two hundred forty-seven thousand, five hundred two".