72275483426 has 4 divisors (see below), whose sum is σ = 108413225142. Its totient is φ = 36137741712.

The previous prime is 72275483407. The next prime is 72275483437. The reversal of 72275483426 is 62438457227.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70809742201 + 1465741225 = 266101^2 + 38285^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18068870855 + ... + 18068870858.

Almost surely, 2^72275483426 is an apocalyptic number.

72275483426 is a deficient number, since it is larger than the sum of its proper divisors (36137741716).

72275483426 is a wasteful number, since it uses less digits than its factorization.

72275483426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36137741715.

The product of its digits is 4515840, while the sum is 50.

The spelling of 72275483426 in words is "seventy-two billion, two hundred seventy-five million, four hundred eighty-three thousand, four hundred twenty-six".