72440998 has 16 divisors (see below), whose sum is σ = 124310304. Its totient is φ = 31014720.

The previous prime is 72440933. The next prime is 72441001. The reversal of 72440998 is 89904427.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16536 + ... + 20452.

It is an arithmetic number, because the mean of its divisors is an integer number (7769394).

Almost surely, 2^72440998 is an apocalyptic number.

72440998 is a deficient number, since it is larger than the sum of its proper divisors (51869306).

72440998 is a wasteful number, since it uses less digits than its factorization.

72440998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5247.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 72440998 is about 8511.2277610225. The cubic root of 72440998 is about 416.8644000865.

The spelling of 72440998 in words is "seventy-two million, four hundred forty thousand, nine hundred ninety-eight".