7227730146 has 256 divisors, whose sum is σ = 19274572800. Its totient is φ = 1766209536.

The previous prime is 7227730099. The next prime is 7227730157. The reversal of 7227730146 is 6410377227.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 99009966 + ... + 99010038.

It is an arithmetic number, because the mean of its divisors is an integer number (75291300).

It is the magic constant of a 2436 × 2436 magic square.

Almost surely, 2^7227730146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7227730146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9637286400).

7227730146 is an abundant number, since it is smaller than the sum of its proper divisors (12046842654).

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

7227730146 is a wasteful number, since it uses less digits than its factorization.

7227730146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 7227730146 is about 85016.0581655019. The cubic root of 7227730146 is about 1933.4545899043.

The spelling of 7227730146 in words is "seven billion, two hundred twenty-seven million, seven hundred thirty thousand, one hundred forty-six".