72070601 has 2 divisors, whose sum is σ = 72070602. Its totient is φ = 72070600.

The previous prime is 72070577. The next prime is 72070657. The reversal of 72070601 is 10607027.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66406201 + 5664400 = 8149^2 + 2380^2 .

It is a cyclic number.

It is not a de Polignac number, because 72070601 - 2¹⁴ = 72054217 is a prime.

It is not a weakly prime, because it can be changed into another prime (72070001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36035300 + 36035301.

It is an arithmetic number, because the mean of its divisors is an integer number (36035301).

Almost surely, 2^72070601 is an apocalyptic number.

It is an amenable number.

72070601 is a deficient number, since it is larger than the sum of its proper divisors (1).

72070601 is an equidigital number, since it uses as much as digits as its factorization.

72070601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 72070601 is about 8489.4405587176. The cubic root of 72070601 is about 416.1526979653.

Adding to 72070601 its reverse (10607027), we get a palindrome (82677628).

The spelling of 72070601 in words is "seventy-two million, seventy thousand, six hundred one".