72026722 has 8 divisors (see below), whose sum is σ = 114395436. Its totient is φ = 33894912.

The previous prime is 72026719. The next prime is 72026737. The reversal of 72026722 is 22762027.

It can be written as a sum of positive squares in 2 ways, for example, as 69405561 + 2621161 = 8331^2 + 1619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059183 + ... + 1059250.

Almost surely, 2^72026722 is an apocalyptic number.

72026722 is a deficient number, since it is larger than the sum of its proper divisors (42368714).

72026722 is a wasteful number, since it uses less digits than its factorization.

72026722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118452.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 72026722 is about 8486.8558371166. The cubic root of 72026722 is about 416.0682249112.

Adding to 72026722 its reverse (22762027), we get a palindrome (94788749).

It can be divided in two parts, 7202 and 6722, that added together give a square (13924 = 118²).

The spelling of 72026722 in words is "seventy-two million, twenty-six thousand, seven hundred twenty-two".