1522660672 has 56 divisors (see below), whose sum is σ = 3309213600. Its totient is φ = 690832896.

The previous prime is 1522660663. The next prime is 1522660673. The reversal of 1522660672 is 2760662251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522660673) 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, 33579 + ... + 64597.

It is an arithmetic number, because the mean of its divisors is an integer number (59093100).

Almost surely, 2^1522660672 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 1522660672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1654606800).

1522660672 is an abundant number, since it is smaller than the sum of its proper divisors (1786552928).

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

1522660672 is a wasteful number, since it uses less digits than its factorization.

1522660672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31103 (or 31093 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 1522660672 is about 39021.2848583949. The cubic root of 1522660672 is about 1150.4498988275.

The spelling of 1522660672 in words is "one billion, five hundred twenty-two million, six hundred sixty thousand, six hundred seventy-two".