424771672 has 64 divisors (see below), whose sum is σ = 890265600. Its totient is φ = 188680320.

The previous prime is 424771667. The next prime is 424771717. The reversal of 424771672 is 276177424.

It is a congruent number.

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, 1157233 + ... + 1157599.

It is an arithmetic number, because the mean of its divisors is an integer number (13910400).

Almost surely, 2^424771672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424771672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445132800).

424771672 is an abundant number, since it is smaller than the sum of its proper divisors (465493928).

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

424771672 is a wasteful number, since it uses less digits than its factorization.

424771672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 772 counting only the distinct ones).

The product of its digits is 131712, while the sum is 40.

The square root of 424771672 is about 20609.9896166883. The cubic root of 424771672 is about 751.7126325798.

The spelling of 424771672 in words is "four hundred twenty-four million, seven hundred seventy-one thousand, six hundred seventy-two".