698420747 has 2 divisors, whose sum is σ = 698420748. Its totient is φ = 698420746.

The previous prime is 698420699. The next prime is 698420759. The reversal of 698420747 is 747024896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 698420747 - 2⁶ = 698420683 is a prime.

It is not a weakly prime, because it can be changed into another prime (698420777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349210373 + 349210374.

It is an arithmetic number, because the mean of its divisors is an integer number (349210374).

Almost surely, 2^698420747 is an apocalyptic number.

698420747 is a deficient number, since it is larger than the sum of its proper divisors (1).

698420747 is an equidigital number, since it uses as much as digits as its factorization.

698420747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 698420747 is about 26427.6511820479. The cubic root of 698420747 is about 887.2357727470.

The spelling of 698420747 in words is "six hundred ninety-eight million, four hundred twenty thousand, seven hundred forty-seven".