672774424 has 64 divisors (see below), whose sum is σ = 1470528000. Its totient is φ = 282610944.

The previous prime is 672774413. The next prime is 672774437. The reversal of 672774424 is 424477276.

It is a happy number.

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, 813099 + ... + 813925.

It is an arithmetic number, because the mean of its divisors is an integer number (22977000).

Almost surely, 2^672774424 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 672774424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (735264000).

672774424 is an abundant number, since it is smaller than the sum of its proper divisors (797753576).

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

672774424 is a wasteful number, since it uses less digits than its factorization.

672774424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 1108 counting only the distinct ones).

The product of its digits is 526848, while the sum is 43.

The square root of 672774424 is about 25937.8955198759. The cubic root of 672774424 is about 876.2401675328.

The spelling of 672774424 in words is "six hundred seventy-two million, seven hundred seventy-four thousand, four hundred twenty-four".