620401474 has 32 divisors (see below), whose sum is σ = 1162377216. Its totient is φ = 241267920.

The previous prime is 620401447. The next prime is 620401487. The reversal of 620401474 is 474104026.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86967 + ... + 93829.

It is an arithmetic number, because the mean of its divisors is an integer number (36324288).

Almost surely, 2^620401474 is an apocalyptic number.

620401474 is a deficient number, since it is larger than the sum of its proper divisors (541975742).

620401474 is a wasteful number, since it uses less digits than its factorization.

620401474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7470.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 620401474 is about 24907.8596832405. The cubic root of 620401474 is about 852.8859111111.

The spelling of 620401474 in words is "six hundred twenty million, four hundred one thousand, four hundred seventy-four".