420074697 has 24 divisors (see below), whose sum is σ = 666706656. Its totient is φ = 234456768.

The previous prime is 420074671. The next prime is 420074713. The reversal of 420074697 is 796470024.

It is not a de Polignac number, because 420074697 - 2⁷ = 420074569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420074197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26908 + ... + 39549.

It is an arithmetic number, because the mean of its divisors is an integer number (27779444).

Almost surely, 2^420074697 is an apocalyptic number.

It is an amenable number.

420074697 is a deficient number, since it is larger than the sum of its proper divisors (246631959).

420074697 is a wasteful number, since it uses less digits than its factorization.

420074697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66517 (or 66510 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 420074697 is about 20495.7238710908. The cubic root of 420074697 is about 748.9316326219.

The spelling of 420074697 in words is "four hundred twenty million, seventy-four thousand, six hundred ninety-seven".