620426275 has 12 divisors (see below), whose sum is σ = 879232912. Its totient is φ = 425435040.

The previous prime is 620426269. The next prime is 620426291. The reversal of 620426275 is 572624026.

It is not a de Polignac number, because 620426275 - 2⁵ = 620426243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 620426275.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1772472 + ... + 1772821.

Almost surely, 2^620426275 is an apocalyptic number.

620426275 is a deficient number, since it is larger than the sum of its proper divisors (258806637).

620426275 is a wasteful number, since it uses less digits than its factorization.

620426275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545310 (or 3545305 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 620426275 is about 24908.3575331654. The cubic root of 620426275 is about 852.8972758711.

The spelling of 620426275 in words is "six hundred twenty million, four hundred twenty-six thousand, two hundred seventy-five".