72703241 has 8 divisors (see below), whose sum is σ = 79465344. Its totient is φ = 66108240.

The previous prime is 72703231. The next prime is 72703247. The reversal of 72703241 is 14230727.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72703241 is a prime.

It is a super-2 number, since 2×72703241² = 10571522503808162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72703241.

It is not an unprimeable number, because it can be changed into a prime (72703247) 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, 40865 + ... + 42606.

It is an arithmetic number, because the mean of its divisors is an integer number (9933168).

Almost surely, 2^72703241 is an apocalyptic number.

It is an amenable number.

72703241 is a deficient number, since it is larger than the sum of its proper divisors (6762103).

72703241 is a wasteful number, since it uses less digits than its factorization.

72703241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83551.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 72703241 is about 8526.6195529061. The cubic root of 72703241 is about 417.3668233124.

Adding to 72703241 its reverse (14230727), we get a palindrome (86933968).

The spelling of 72703241 in words is "seventy-two million, seven hundred three thousand, two hundred forty-one".