72944298 has 24 divisors (see below), whose sum is σ = 180624288. Its totient is φ = 20841192.

The previous prime is 72944269. The next prime is 72944317. The reversal of 72944298 is 89244927.

It is a super-2 number, since 2×72944298² = 10641741221425608, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289336 + ... + 289587.

It is an arithmetic number, because the mean of its divisors is an integer number (7526012).

Almost surely, 2^72944298 is an apocalyptic number.

72944298 is an abundant number, since it is smaller than the sum of its proper divisors (107679990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72944298 is a wasteful number, since it uses less digits than its factorization.

72944298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578938 (or 578935 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 72944298 is about 8540.7434102659. The cubic root of 72944298 is about 417.8275923375.

The spelling of 72944298 in words is "seventy-two million, nine hundred forty-four thousand, two hundred ninety-eight".