7494340392 has 192 divisors, whose sum is σ = 26637811200. Its totient is φ = 1844104320.

The previous prime is 7494340391. The next prime is 7494340393. The reversal of 7494340392 is 2930434947.

7494340392 is a `hidden beast` number, since 74 + 94 + 3 + 403 + 92 = 666.

It is an interprime number because it is at equal distance from previous prime (7494340391) and next prime (7494340393).

It is a super-2 number, since 2×7494340392² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7494340391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69763 + ... + 140909.

It is an arithmetic number, because the mean of its divisors is an integer number (138738600).

Almost surely, 2^7494340392 is an apocalyptic number.

7494340392 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 7494340392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13318905600).

7494340392 is an abundant number, since it is smaller than the sum of its proper divisors (19143470808).

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

7494340392 is a wasteful number, since it uses less digits than its factorization.

7494340392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71196 (or 71189 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The square root of 7494340392 is about 86569.8584496937. The cubic root of 7494340392 is about 1956.9413274335.

The spelling of 7494340392 in words is "seven billion, four hundred ninety-four million, three hundred forty thousand, three hundred ninety-two".