72301469 has 2 divisors, whose sum is σ = 72301470. Its totient is φ = 72301468.

The previous prime is 72301457. The next prime is 72301477. The reversal of 72301469 is 96410327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67404100 + 4897369 = 8210^2 + 2213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72301469 is a prime.

It is a super-2 number, since 2×72301469² = 10455004839115922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72301429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36150734 + 36150735.

It is an arithmetic number, because the mean of its divisors is an integer number (36150735).

Almost surely, 2^72301469 is an apocalyptic number.

It is an amenable number.

72301469 is a deficient number, since it is larger than the sum of its proper divisors (1).

72301469 is an equidigital number, since it uses as much as digits as its factorization.

72301469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 72301469 is about 8503.0270492337. The cubic root of 72301469 is about 416.5965864715.

The spelling of 72301469 in words is "seventy-two million, three hundred one thousand, four hundred sixty-nine".