620426267 has 4 divisors (see below), whose sum is σ = 624012720. Its totient is φ = 616839816.

The previous prime is 620426243. The next prime is 620426269. The reversal of 620426267 is 762624026.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 620426267 - 2⁸ = 620426011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620426269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1792967 + ... + 1793312.

It is an arithmetic number, because the mean of its divisors is an integer number (156003180).

Almost surely, 2^620426267 is an apocalyptic number.

620426267 is a deficient number, since it is larger than the sum of its proper divisors (3586453).

620426267 is a wasteful number, since it uses less digits than its factorization.

620426267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586452.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 620426267 is about 24908.3573725768. The cubic root of 620426267 is about 852.8972722052.

The spelling of 620426267 in words is "six hundred twenty million, four hundred twenty-six thousand, two hundred sixty-seven".