620723400 has 96 divisors (see below), whose sum is σ = 2099196000. Its totient is φ = 150476800.

The previous prime is 620723381. The next prime is 620723419. The reversal of 620723400 is 4327026.

It is an interprime number because it is at equal distance from previous prime (620723381) and next prime (620723419).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40425 + ... + 53624.

It is an arithmetic number, because the mean of its divisors is an integer number (21866625).

Almost surely, 2^620723400 is an apocalyptic number.

620723400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

620723400 is an abundant number, since it is smaller than the sum of its proper divisors (1478472600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620723400 is a wasteful number, since it uses less digits than its factorization.

620723400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94079 (or 94070 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 620723400 is about 24914.3211828057. The cubic root of 620723400 is about 853.0334062865.

The spelling of 620723400 in words is "six hundred twenty million, seven hundred twenty-three thousand, four hundred".