72026824 has 32 divisors (see below), whose sum is σ = 143671320. Its totient is φ = 33734656.

The previous prime is 72026821. The next prime is 72026839. The reversal of 72026824 is 42862027.

It can be written as a sum of positive squares in 4 ways, for example, as 69722500 + 2304324 = 8350^2 + 1518^2 .

It is not an unprimeable number, because it can be changed into a prime (72026821) 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, 30552 + ... + 32824.

Almost surely, 2^72026824 is an apocalyptic number.

It is an amenable number.

72026824 is a deficient number, since it is larger than the sum of its proper divisors (71644496).

72026824 is a wasteful number, since it uses less digits than its factorization.

72026824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529 (or 2525 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 72026824 is about 8486.8618464071. The cubic root of 72026824 is about 416.0684213149.

The spelling of 72026824 in words is "seventy-two million, twenty-six thousand, eight hundred twenty-four".