420499373 has 4 divisors (see below), whose sum is σ = 480570720. Its totient is φ = 360428028.

The previous prime is 420499367. The next prime is 420499379. The reversal of 420499373 is 373994024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (420499367) and next prime (420499379).

It is a cyclic number.

It is not a de Polignac number, because 420499373 - 2¹⁶ = 420433837 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 420499373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420499379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30035663 + ... + 30035676.

It is an arithmetic number, because the mean of its divisors is an integer number (120142680).

Almost surely, 2^420499373 is an apocalyptic number.

It is an amenable number.

420499373 is a deficient number, since it is larger than the sum of its proper divisors (60071347).

420499373 is an equidigital number, since it uses as much as digits as its factorization.

420499373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60071346.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 420499373 is about 20506.0813662679. The cubic root of 420499373 is about 749.1839259826.

The spelling of 420499373 in words is "four hundred twenty million, four hundred ninety-nine thousand, three hundred seventy-three".