72444967 has 8 divisors (see below), whose sum is σ = 87152000. Its totient is φ = 58827384.

The previous prime is 72444941. The next prime is 72444971. The reversal of 72444967 is 76944427.

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

It is not a de Polignac number, because 72444967 - 2¹¹ = 72442919 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 (72444937) 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, 272217 + ... + 272482.

It is an arithmetic number, because the mean of its divisors is an integer number (10894000).

Almost surely, 2^72444967 is an apocalyptic number.

72444967 is a deficient number, since it is larger than the sum of its proper divisors (14707033).

72444967 is a wasteful number, since it uses less digits than its factorization.

72444967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544725.

The product of its digits is 338688, while the sum is 43.

The square root of 72444967 is about 8511.4609204296. The cubic root of 72444967 is about 416.8720131999.

It can be divided in two parts, 7 and 2444967, that multiplied together give a square (17114769 = 4137²).

The spelling of 72444967 in words is "seventy-two million, four hundred forty-four thousand, nine hundred sixty-seven".