7454237856 has 144 divisors (see below), whose sum is σ = 21662442144. Its totient is φ = 2231110656.

The previous prime is 7454237851. The next prime is 7454237863. The reversal of 7454237856 is 6587324547.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7454237799 and 7454237808.

It is not an unprimeable number, because it can be changed into a prime (7454237851) 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, 1706331 + ... + 1710693.

It is an arithmetic number, because the mean of its divisors is an integer number (150433626).

Almost surely, 2^7454237856 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 7454237856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10831221072).

7454237856 is an abundant number, since it is smaller than the sum of its proper divisors (14208204288).

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

7454237856 is a wasteful number, since it uses less digits than its factorization.

7454237856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4463 (or 4418 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 51.

The square root of 7454237856 is about 86337.9282586744. The cubic root of 7454237856 is about 1953.4445238987. Note that the first 3 decimals are identical.

The spelling of 7454237856 in words is "seven billion, four hundred fifty-four million, two hundred thirty-seven thousand, eight hundred fifty-six".