624420743 has 2 divisors, whose sum is σ = 624420744. Its totient is φ = 624420742.

The previous prime is 624420691. The next prime is 624420751. The reversal of 624420743 is 347024426.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 624420743 - 2⁸ = 624420487 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (624420793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312210371 + 312210372.

It is an arithmetic number, because the mean of its divisors is an integer number (312210372).

Almost surely, 2^624420743 is an apocalyptic number.

624420743 is a deficient number, since it is larger than the sum of its proper divisors (1).

624420743 is an equidigital number, since it uses as much as digits as its factorization.

624420743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 624420743 is about 24988.4121744460. The cubic root of 624420743 is about 854.7237542179.

The spelling of 624420743 in words is "six hundred twenty-four million, four hundred twenty thousand, seven hundred forty-three".