7946491392 has 400 divisors, whose sum is σ = 28012588032. Its totient is φ = 2194698240.

The previous prime is 7946491381. The next prime is 7946491409. The reversal of 7946491392 is 2931946497.

7946491392 is a `hidden beast` number, since 7 + 9 + 464 + 91 + 3 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8998983 + ... + 8999865.

Almost surely, 2^7946491392 is an apocalyptic number.

7946491392 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 7946491392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14006294016).

7946491392 is an abundant number, since it is smaller than the sum of its proper divisors (20066096640).

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

7946491392 is an equidigital number, since it uses as much as digits as its factorization.

7946491392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951 (or 926 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 7946491392 is about 89143.0950326496. The cubic root of 7946491392 is about 1995.5309706597.

The spelling of 7946491392 in words is "seven billion, nine hundred forty-six million, four hundred ninety-one thousand, three hundred ninety-two".