72260801 has 2 divisors, whose sum is σ = 72260802. Its totient is φ = 72260800.

The previous prime is 72260777. The next prime is 72260809. The reversal of 72260801 is 10806227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36917776 + 35343025 = 6076^2 + 5945^2 .

It is an emirp because it is prime and its reverse (10806227) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72260801 is a prime.

It is a super-2 number, since 2×72260801² = 10443246722323202, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72260809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36130400 + 36130401.

It is an arithmetic number, because the mean of its divisors is an integer number (36130401).

Almost surely, 2^72260801 is an apocalyptic number.

It is an amenable number.

72260801 is a deficient number, since it is larger than the sum of its proper divisors (1).

72260801 is an equidigital number, since it uses as much as digits as its factorization.

72260801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 72260801 is about 8500.6353291975. The cubic root of 72260801 is about 416.5184629896.

The spelling of 72260801 in words is "seventy-two million, two hundred sixty thousand, eight hundred one".