7494864878592 has 1056 divisors, whose sum is σ = 27939761740800. Its totient is φ = 1953932378112.

The previous prime is 7494864878551. The next prime is 7494864878597. The reversal of 7494864878592 is 2958784684947.

It is a happy number.

7494864878592 is a `hidden beast` number, since 7 + 4 + 9 + 4 + 86 + 487 + 8 + 59 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7494864878597) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2015288509 + ... + 2015292227.

Almost surely, 2^{7494864878592} is an apocalyptic number.

7494864878592 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 7494864878592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13969880870400).

7494864878592 is an abundant number, since it is smaller than the sum of its proper divisors (20444896862208).

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

7494864878592 is a wasteful number, since it uses less digits than its factorization.

7494864878592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863 (or 3833 counting only the distinct ones).

The product of its digits is 7803371520, while the sum is 81.

The spelling of 7494864878592 in words is "seven trillion, four hundred ninety-four billion, eight hundred sixty-four million, eight hundred seventy-eight thousand, five hundred ninety-two".