620477343 has 6 divisors (see below), whose sum is σ = 896245064. Its totient is φ = 413651556.

The previous prime is 620477287. The next prime is 620477353. The reversal of 620477343 is 343774026.

It is a happy number.

It is not a de Polignac number, because 620477343 - 2²⁰ = 619428767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 620477298 and 620477307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620477353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34470955 + ... + 34470972.

Almost surely, 2^620477343 is an apocalyptic number.

620477343 is a deficient number, since it is larger than the sum of its proper divisors (275767721).

620477343 is a wasteful number, since it uses less digits than its factorization.

620477343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68941933 (or 68941930 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The square root of 620477343 is about 24909.3826298445. The cubic root of 620477343 is about 852.9206762142.

The spelling of 620477343 in words is "six hundred twenty million, four hundred seventy-seven thousand, three hundred forty-three".