672577724 has 60 divisors (see below), whose sum is σ = 1478995224. Its totient is φ = 266025312.

The previous prime is 672577723. The next prime is 672577729. The reversal of 672577724 is 427775276.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672577721) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 122159 + ... + 127545.

Almost surely, 2^672577724 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 672577724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (739497612).

672577724 is an abundant number, since it is smaller than the sum of its proper divisors (806417500).

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

672577724 is a wasteful number, since it uses less digits than its factorization.

672577724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5432 (or 5409 counting only the distinct ones).

The product of its digits is 1152480, while the sum is 47.

The square root of 672577724 is about 25934.1034932770. The cubic root of 672577724 is about 876.1547633543.

The spelling of 672577724 in words is "six hundred seventy-two million, five hundred seventy-seven thousand, seven hundred twenty-four".