7477713612 has 72 divisors (see below), whose sum is σ = 19673546256. Its totient is φ = 2483483328.

The previous prime is 7477713601. The next prime is 7477713613. The reversal of 7477713612 is 2163177747.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7477713613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255358 + ... + 283130.

It is an arithmetic number, because the mean of its divisors is an integer number (273243698).

Almost surely, 2^7477713612 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 7477713612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9836773128).

7477713612 is an abundant number, since it is smaller than the sum of its proper divisors (12195832644).

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

7477713612 is a wasteful number, since it uses less digits than its factorization.

7477713612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28069 (or 28055 counting only the distinct ones).

The product of its digits is 345744, while the sum is 45.

The square root of 7477713612 is about 86473.7741283448. The cubic root of 7477713612 is about 1955.4930467599.

The spelling of 7477713612 in words is "seven billion, four hundred seventy-seven million, seven hundred thirteen thousand, six hundred twelve".