7472042257 has 2 divisors, whose sum is σ = 7472042258. Its totient is φ = 7472042256.

The previous prime is 7472042243. The next prime is 7472042267. The reversal of 7472042257 is 7522402747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7334894736 + 137147521 = 85644^2 + 11711^2 .

It is a cyclic number.

It is not a de Polignac number, because 7472042257 - 2⁷ = 7472042129 is a prime.

It is not a weakly prime, because it can be changed into another prime (7472042267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3736021128 + 3736021129.

It is an arithmetic number, because the mean of its divisors is an integer number (3736021129).

Almost surely, 2^7472042257 is an apocalyptic number.

It is an amenable number.

7472042257 is a deficient number, since it is larger than the sum of its proper divisors (1).

7472042257 is an equidigital number, since it uses as much as digits as its factorization.

7472042257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 219520, while the sum is 40.

The square root of 7472042257 is about 86440.9755671464. The cubic root of 7472042257 is about 1954.9985506800.

The spelling of 7472042257 in words is "seven billion, four hundred seventy-two million, forty-two thousand, two hundred fifty-seven".