620475723 has 48 divisors (see below), whose sum is σ = 1081267200. Its totient is φ = 334938240.

The previous prime is 620475701. The next prime is 620475727. The reversal of 620475723 is 327574026.

It is a happy number.

620475723 is a `hidden beast` number, since 620 + 4 + 7 + 5 + 7 + 23 = 666.

It is not a de Polignac number, because 620475723 - 2⁶ = 620475659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620475727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 680638 + ... + 681548.

It is an arithmetic number, because the mean of its divisors is an integer number (22526400).

Almost surely, 2^620475723 is an apocalyptic number.

620475723 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

620475723 is a deficient number, since it is larger than the sum of its proper divisors (460791477).

620475723 is a wasteful number, since it uses less digits than its factorization.

620475723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 620475723 is about 24909.3501119560. The cubic root of 620475723 is about 852.9199339187.

The spelling of 620475723 in words is "six hundred twenty million, four hundred seventy-five thousand, seven hundred twenty-three".