72441365 has 4 divisors (see below), whose sum is σ = 86929644. Its totient is φ = 57953088.

The previous prime is 72441337. The next prime is 72441367. The reversal of 72441365 is 56314427.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19704721 + 52736644 = 4439^2 + 7262^2 .

It is a cyclic number.

It is not a de Polignac number, because 72441365 - 2¹⁰ = 72440341 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 (72441367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7244132 + ... + 7244141.

It is an arithmetic number, because the mean of its divisors is an integer number (21732411).

Almost surely, 2^72441365 is an apocalyptic number.

It is an amenable number.

72441365 is a deficient number, since it is larger than the sum of its proper divisors (14488279).

72441365 is a wasteful number, since it uses less digits than its factorization.

72441365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14488278.

The product of its digits is 20160, while the sum is 32.

The square root of 72441365 is about 8511.2493207519. The cubic root of 72441365 is about 416.8651040570.

The spelling of 72441365 in words is "seventy-two million, four hundred forty-one thousand, three hundred sixty-five".