72289574 has 16 divisors (see below), whose sum is σ = 124086816. Its totient is φ = 30940800.

The previous prime is 72289561. The next prime is 72289577. The reversal of 72289574 is 47598227.

It is a super-3 number, since 3×72289574³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72289577) 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, 9404 + ... + 15264.

It is an arithmetic number, because the mean of its divisors is an integer number (7755426).

Almost surely, 2^72289574 is an apocalyptic number.

72289574 is a deficient number, since it is larger than the sum of its proper divisors (51797242).

72289574 is a wasteful number, since it uses less digits than its factorization.

72289574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751.

The product of its digits is 282240, while the sum is 44.

The square root of 72289574 is about 8502.3275636734. The cubic root of 72289574 is about 416.5737391341.

The spelling of 72289574 in words is "seventy-two million, two hundred eighty-nine thousand, five hundred seventy-four".