7452240427 has 2 divisors, whose sum is σ = 7452240428. Its totient is φ = 7452240426.

The previous prime is 7452240413. The next prime is 7452240457. The reversal of 7452240427 is 7240422547.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7452240427 is a prime.

It is not a weakly prime, because it can be changed into another prime (7452240457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3726120213 + 3726120214.

It is an arithmetic number, because the mean of its divisors is an integer number (3726120214).

Almost surely, 2^7452240427 is an apocalyptic number.

7452240427 is a deficient number, since it is larger than the sum of its proper divisors (1).

7452240427 is an equidigital number, since it uses as much as digits as its factorization.

7452240427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125440, while the sum is 37.

The square root of 7452240427 is about 86326.3599777032. The cubic root of 7452240427 is about 1953.2700273960.

The spelling of 7452240427 in words is "seven billion, four hundred fifty-two million, two hundred forty thousand, four hundred twenty-seven".