7641722424 has 64 divisors (see below), whose sum is σ = 21891283200. Its totient is φ = 2177570304.

The previous prime is 7641722399. The next prime is 7641722437. The reversal of 7641722424 is 4242271467.

It is a nude number because it is divisible by every one of its digits.

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, 3664 + ... + 123680.

It is an arithmetic number, because the mean of its divisors is an integer number (342051300).

Almost surely, 2^7641722424 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 7641722424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10945641600).

7641722424 is an abundant number, since it is smaller than the sum of its proper divisors (14249560776).

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

7641722424 is a wasteful number, since it uses less digits than its factorization.

7641722424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120412 (or 120408 counting only the distinct ones).

The product of its digits is 150528, while the sum is 39.

The square root of 7641722424 is about 87416.9458629161. The cubic root of 7641722424 is about 1969.6863994443.

The spelling of 7641722424 in words is "seven billion, six hundred forty-one million, seven hundred twenty-two thousand, four hundred twenty-four".