7455432427 has 2 divisors, whose sum is σ = 7455432428. Its totient is φ = 7455432426.

The previous prime is 7455432379. The next prime is 7455432431. The reversal of 7455432427 is 7242345547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7455432427 - 2²³ = 7447043819 is a prime.

It is a super-2 number, since 2×7455432427² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7455432227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3727716213 + 3727716214.

It is an arithmetic number, because the mean of its divisors is an integer number (3727716214).

Almost surely, 2^7455432427 is an apocalyptic number.

7455432427 is a deficient number, since it is larger than the sum of its proper divisors (1).

7455432427 is an equidigital number, since it uses as much as digits as its factorization.

7455432427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 940800, while the sum is 43.

The square root of 7455432427 is about 86344.8459782053. The cubic root of 7455432427 is about 1953.5488673868.

The spelling of 7455432427 in words is "seven billion, four hundred fifty-five million, four hundred thirty-two thousand, four hundred twenty-seven".