72301433 has 2 divisors, whose sum is σ = 72301434. Its totient is φ = 72301432.

The previous prime is 72301429. The next prime is 72301457. The reversal of 72301433 is 33410327.

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., 58186384 + 14115049 = 7628^2 + 3757^2 .

It is a cyclic number.

It is not a de Polignac number, because 72301433 - 2² = 72301429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72301399 and 72301408.

It is not a weakly prime, because it can be changed into another prime (72301423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36150716 + 36150717.

It is an arithmetic number, because the mean of its divisors is an integer number (36150717).

Almost surely, 2^72301433 is an apocalyptic number.

It is an amenable number.

72301433 is a deficient number, since it is larger than the sum of its proper divisors (1).

72301433 is an equidigital number, since it uses as much as digits as its factorization.

72301433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 72301433 is about 8503.0249323403. The cubic root of 72301433 is about 416.5965173282.

The spelling of 72301433 in words is "seventy-two million, three hundred one thousand, four hundred thirty-three".