7425723997 has 2 divisors, whose sum is σ = 7425723998. Its totient is φ = 7425723996.

The previous prime is 7425723983. The next prime is 7425724013. The reversal of 7425723997 is 7993275247.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5043698361 + 2382025636 = 71019^2 + 48806^2 .

It is a cyclic number.

It is not a de Polignac number, because 7425723997 - 2⁷ = 7425723869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7425723497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3712861998 + 3712861999.

It is an arithmetic number, because the mean of its divisors is an integer number (3712861999).

Almost surely, 2^7425723997 is an apocalyptic number.

It is an amenable number.

7425723997 is a deficient number, since it is larger than the sum of its proper divisors (1).

7425723997 is an equidigital number, since it uses as much as digits as its factorization.

7425723997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6667920, while the sum is 55.

The square root of 7425723997 is about 86172.6406523555. The cubic root of 7425723997 is about 1950.9505772604.

The spelling of 7425723997 in words is "seven billion, four hundred twenty-five million, seven hundred twenty-three thousand, nine hundred ninety-seven".