620474034 has 16 divisors (see below), whose sum is σ = 1242469440. Its totient is φ = 206571120.

The previous prime is 620474017. The next prime is 620474039. The reversal of 620474034 is 430474026.

It is a junction number, because it is equal to n+sod(n) for n = 620473992 and 620474010.

It is not an unprimeable number, because it can be changed into a prime (620474039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58054 + ... + 67905.

It is an arithmetic number, because the mean of its divisors is an integer number (77654340).

Almost surely, 2^620474034 is an apocalyptic number.

620474034 is an abundant number, since it is smaller than the sum of its proper divisors (621995406).

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

620474034 is a wasteful number, since it uses less digits than its factorization.

620474034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126785.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 620474034 is about 24909.3162090010. The cubic root of 620474034 is about 852.9191600054.

The spelling of 620474034 in words is "six hundred twenty million, four hundred seventy-four thousand, thirty-four".