620754500 has 24 divisors (see below), whose sum is σ = 1355728920. Its totient is φ = 248301600.

The previous prime is 620754499. The next prime is 620754553. The reversal of 620754500 is 5457026.

It can be written as a sum of positive squares in 4 ways, for example, as 5317636 + 615436864 = 2306^2 + 24808^2 .

It is a super-2 number, since 2×620754500² = 770672298540500000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620255 + ... + 621254.

It is an arithmetic number, because the mean of its divisors is an integer number (56488705).

Almost surely, 2^620754500 is an apocalyptic number.

It is an amenable number.

620754500 is an abundant number, since it is smaller than the sum of its proper divisors (734974420).

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

620754500 is a wasteful number, since it uses less digits than its factorization.

620754500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241528 (or 1241516 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 620754500 is about 24914.9453140078. The cubic root of 620754500 is about 853.0476525116.

The spelling of 620754500 in words is "six hundred twenty million, seven hundred fifty-four thousand, five hundred".