72765349 has 8 divisors (see below), whose sum is σ = 74737440. Its totient is φ = 70818000.

The previous prime is 72765337. The next prime is 72765409. The reversal of 72765349 is 94356727.

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

It is a cyclic number.

It is not a de Polignac number, because 72765349 - 2⁹ = 72764837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72765949) 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, 147 + ... + 12064.

It is an arithmetic number, because the mean of its divisors is an integer number (9342180).

Almost surely, 2^72765349 is an apocalyptic number.

It is an amenable number.

72765349 is a deficient number, since it is larger than the sum of its proper divisors (1972091).

72765349 is a wasteful number, since it uses less digits than its factorization.

72765349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12371.

The product of its digits is 317520, while the sum is 43.

The square root of 72765349 is about 8530.2607814767. The cubic root of 72765349 is about 417.4856370930.

The spelling of 72765349 in words is "seventy-two million, seven hundred sixty-five thousand, three hundred forty-nine".