305674420 has 24 divisors (see below), whose sum is σ = 642829824. Its totient is φ = 122095776.

The previous prime is 305674387. The next prime is 305674423. The reversal of 305674420 is 24476503.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305674423) 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, 4029 + ... + 25051.

It is an arithmetic number, because the mean of its divisors is an integer number (26784576).

Almost surely, 2^305674420 is an apocalyptic number.

It is an amenable number.

305674420 is an abundant number, since it is smaller than the sum of its proper divisors (337155404).

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

305674420 is a wasteful number, since it uses less digits than its factorization.

305674420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21759 (or 21757 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 305674420 is about 17483.5471229382. The cubic root of 305674420 is about 673.6273302507.

The spelling of 305674420 in words is "three hundred five million, six hundred seventy-four thousand, four hundred twenty".