7445745912 has 256 divisors, whose sum is σ = 21909012480. Its totient is φ = 2087078400.

The previous prime is 7445745889. The next prime is 7445745947. The reversal of 7445745912 is 2195475447.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20287953 + ... + 20288319.

It is an arithmetic number, because the mean of its divisors is an integer number (85582080).

Almost surely, 2^7445745912 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 7445745912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10954506240).

7445745912 is an abundant number, since it is smaller than the sum of its proper divisors (14463266568).

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

7445745912 is a wasteful number, since it uses less digits than its factorization.

7445745912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 518 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 48.

The square root of 7445745912 is about 86288.7357190960. The cubic root of 7445745912 is about 1952.7024473737.

It can be divided in two parts, 7445 and 745912, that added together give a palindrome (753357).

The spelling of 7445745912 in words is "seven billion, four hundred forty-five million, seven hundred forty-five thousand, nine hundred twelve".