620573477 has 4 divisors (see below), whose sum is σ = 633777216. Its totient is φ = 607369740.

The previous prime is 620573467. The next prime is 620573501. The reversal of 620573477 is 774375026.

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, and also an emirpimes, since its reverse is a distinct semiprime: 774375026 = 2 ⋅387187513.

It is a cyclic number.

It is not a de Polignac number, because 620573477 - 2⁴ = 620573461 is a prime.

It is a super-2 number, since 2×620573477² = 770222880711739058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620573467) 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, 6601799 + ... + 6601892.

It is an arithmetic number, because the mean of its divisors is an integer number (158444304).

Almost surely, 2^620573477 is an apocalyptic number.

It is an amenable number.

620573477 is a deficient number, since it is larger than the sum of its proper divisors (13203739).

620573477 is a wasteful number, since it uses less digits than its factorization.

620573477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13203738.

The product of its (nonzero) digits is 246960, while the sum is 41.

The square root of 620573477 is about 24911.3122295876. The cubic root of 620573477 is about 852.9647231849.

The spelling of 620573477 in words is "six hundred twenty million, five hundred seventy-three thousand, four hundred seventy-seven".