72270024052451 has 2 divisors, whose sum is σ = 72270024052452. Its totient is φ = 72270024052450.

The previous prime is 72270024052337. The next prime is 72270024052487. The reversal of 72270024052451 is 15425042007227.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72270024052451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72270024052399 and 72270024052408.

It is not a weakly prime, because it can be changed into another prime (72270024055451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36135012026225 + 36135012026226.

It is an arithmetic number, because the mean of its divisors is an integer number (36135012026226).

Almost surely, 2^{72270024052451} is an apocalyptic number.

72270024052451 is a deficient number, since it is larger than the sum of its proper divisors (1).

72270024052451 is an equidigital number, since it uses as much as digits as its factorization.

72270024052451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 313600, while the sum is 41.

Adding to 72270024052451 its reverse (15425042007227), we get a palindrome (87695066059678).

The spelling of 72270024052451 in words is "seventy-two trillion, two hundred seventy billion, twenty-four million, fifty-two thousand, four hundred fifty-one".