7445273660 has 24 divisors (see below), whose sum is σ = 17056445616. Its totient is φ = 2707372160.

The previous prime is 7445273653. The next prime is 7445273663. The reversal of 7445273660 is 663725447.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7445273663) 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, 16920857 + ... + 16921296.

It is an arithmetic number, because the mean of its divisors is an integer number (710685234).

Almost surely, 2^7445273660 is an apocalyptic number.

It is an amenable number.

7445273660 is an abundant number, since it is smaller than the sum of its proper divisors (9611171956).

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

7445273660 is a wasteful number, since it uses less digits than its factorization.

7445273660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33842173 (or 33842171 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 44.

The square root of 7445273660 is about 86285.9992119231. Note that the first 3 decimals coincide. The cubic root of 7445273660 is about 1952.6611626301.

The spelling of 7445273660 in words is "seven billion, four hundred forty-five million, two hundred seventy-three thousand, six hundred sixty".