72020026 has 24 divisors (see below), whose sum is σ = 119855484. Its totient is φ = 32423040.

The previous prime is 72020017. The next prime is 72020029. The reversal of 72020026 is 62002027.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 600625 + 71419401 = 775^2 + 8451^2 .

It is a junction number, because it is equal to n+sod(n) for n = 72019985 and 72020012.

It is not an unprimeable number, because it can be changed into a prime (72020029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11260 + ... + 16456.

Almost surely, 2^72020026 is an apocalyptic number.

72020026 is a deficient number, since it is larger than the sum of its proper divisors (47835458).

72020026 is a wasteful number, since it uses less digits than its factorization.

72020026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266 (or 5253 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 72020026 is about 8486.4613355627. The cubic root of 72020026 is about 416.0553311819.

The spelling of 72020026 in words is "seventy-two million, twenty thousand, twenty-six".