7643372226 has 32 divisors (see below), whose sum is σ = 17681061888. Its totient is φ = 2157508560.

The previous prime is 7643372207. The next prime is 7643372257. The reversal of 7643372226 is 6222733467.

It is a super-3 number, since 3×7643372226³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1092810 + ... + 1099781.

It is an arithmetic number, because the mean of its divisors is an integer number (552533184).

Almost surely, 2^7643372226 is an apocalyptic number.

7643372226 is an abundant number, since it is smaller than the sum of its proper divisors (10037689662).

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

7643372226 is a wasteful number, since it uses less digits than its factorization.

7643372226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192686.

The product of its digits is 508032, while the sum is 42.

The square root of 7643372226 is about 87426.3817505906. The cubic root of 7643372226 is about 1969.8281370681.

The spelling of 7643372226 in words is "seven billion, six hundred forty-three million, three hundred seventy-two thousand, two hundred twenty-six".