427424719 has 2 divisors, whose sum is σ = 427424720. Its totient is φ = 427424718.

The previous prime is 427424689. The next prime is 427424729. The reversal of 427424719 is 917424724.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427424719 - 2¹³ = 427416527 is a prime.

It is a super-2 number, since 2×427424719² = 365383780824457922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427424729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213712359 + 213712360.

It is an arithmetic number, because the mean of its divisors is an integer number (213712360).

Almost surely, 2^427424719 is an apocalyptic number.

427424719 is a deficient number, since it is larger than the sum of its proper divisors (1).

427424719 is an equidigital number, since it uses as much as digits as its factorization.

427424719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 40.

The square root of 427424719 is about 20674.2525620638. The cubic root of 427424719 is about 753.2744059205.

The spelling of 427424719 in words is "four hundred twenty-seven million, four hundred twenty-four thousand, seven hundred nineteen".