72245735 has 4 divisors (see below), whose sum is σ = 86694888. Its totient is φ = 57796584.

The previous prime is 72245713. The next prime is 72245741. The reversal of 72245735 is 53754227.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72245735 - 2⁸ = 72245479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72245695 and 72245704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7224569 + ... + 7224578.

It is an arithmetic number, because the mean of its divisors is an integer number (21673722).

Almost surely, 2^72245735 is an apocalyptic number.

72245735 is a deficient number, since it is larger than the sum of its proper divisors (14449153).

72245735 is a wasteful number, since it uses less digits than its factorization.

72245735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14449152.

The product of its digits is 58800, while the sum is 35.

The square root of 72245735 is about 8499.7491139445. The cubic root of 72245735 is about 416.4895136688.

The spelling of 72245735 in words is "seventy-two million, two hundred forty-five thousand, seven hundred thirty-five".