7472787894 has 384 divisors, whose sum is σ = 21620390400. Its totient is φ = 1880236800.

The previous prime is 7472787877. The next prime is 7472787941. The reversal of 7472787894 is 4987872747.

7472787894 is a `hidden beast` number, since 7 + 472 + 7 + 8 + 78 + 94 = 666.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 140995972 + ... + 140996024.

It is an arithmetic number, because the mean of its divisors is an integer number (56303100).

Almost surely, 2^7472787894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7472787894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10810195200).

7472787894 is an abundant number, since it is smaller than the sum of its proper divisors (14147602506).

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

7472787894 is a wasteful number, since it uses less digits than its factorization.

7472787894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 132 counting only the distinct ones).

The product of its digits is 44255232, while the sum is 63.

The square root of 7472787894 is about 86445.2884430378. The cubic root of 7472787894 is about 1955.0635784514.

The spelling of 7472787894 in words is "seven billion, four hundred seventy-two million, seven hundred eighty-seven thousand, eight hundred ninety-four".