7722680454 has 112 divisors (see below), whose sum is σ = 18914583600. Its totient is φ = 2354401728.

The previous prime is 7722680453. The next prime is 7722680507. The reversal of 7722680454 is 4540862277.

It is a happy number.

It is a super-2 number, since 2×7722680454² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7722680453) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 798552 + ... + 808164.

Almost surely, 2^7722680454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7722680454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9457291800).

7722680454 is an abundant number, since it is smaller than the sum of its proper divisors (11191903146).

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

7722680454 is a wasteful number, since it uses less digits than its factorization.

7722680454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9681 (or 9666 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 7722680454 is about 87878.7827293938. The cubic root of 7722680454 is about 1976.6177380623.

The spelling of 7722680454 in words is "seven billion, seven hundred twenty-two million, six hundred eighty thousand, four hundred fifty-four".