72449594 has 16 divisors (see below), whose sum is σ = 124889856. Its totient is φ = 30877200.

The previous prime is 72449567. The next prime is 72449599. The reversal of 72449594 is 49594427.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (72449599) 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, 11762 + ... + 16829.

It is an arithmetic number, because the mean of its divisors is an integer number (7805616).

Almost surely, 2^72449594 is an apocalyptic number.

72449594 is a deficient number, since it is larger than the sum of its proper divisors (52440262).

72449594 is a wasteful number, since it uses less digits than its factorization.

72449594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28781.

The product of its digits is 362880, while the sum is 44.

The square root of 72449594 is about 8511.7327260670. The cubic root of 72449594 is about 416.8808881009.

The spelling of 72449594 in words is "seventy-two million, four hundred forty-nine thousand, five hundred ninety-four".