620450034 has 8 divisors (see below), whose sum is σ = 1240900080. Its totient is φ = 206816676.

The previous prime is 620450029. The next prime is 620450063. The reversal of 620450034 is 430054026.

It is a sphenic number, since it is the product of 3 distinct primes.

620450034 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 620449986 and 620450013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51704164 + ... + 51704175.

It is an arithmetic number, because the mean of its divisors is an integer number (155112510).

Almost surely, 2^620450034 is an apocalyptic number.

620450034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

620450034 is a wasteful number, since it uses less digits than its factorization.

620450034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103408344.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 620450034 is about 24908.8344568749. The cubic root of 620450034 is about 852.9081628631.

The spelling of 620450034 in words is "six hundred twenty million, four hundred fifty thousand, thirty-four".