7261494912 has 256 divisors, whose sum is σ = 25093958400. Its totient is φ = 2023833600.

The previous prime is 7261494893. The next prime is 7261494913. The reversal of 7261494912 is 2194941627.

7261494912 is a `hidden beast` number, since 72 + 6 + 1 + 494 + 91 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (7261494913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 988212 + ... + 995532.

It is an arithmetic number, because the mean of its divisors is an integer number (98023275).

Almost surely, 2^7261494912 is an apocalyptic number.

7261494912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7261494912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12546979200).

7261494912 is an abundant number, since it is smaller than the sum of its proper divisors (17832463488).

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

7261494912 is a wasteful number, since it uses less digits than its factorization.

7261494912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7392 (or 7374 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 7261494912 is about 85214.4055427250. The cubic root of 7261494912 is about 1936.4606626392.

The spelling of 7261494912 in words is "seven billion, two hundred sixty-one million, four hundred ninety-four thousand, nine hundred twelve".