7775432340 has 96 divisors (see below), whose sum is σ = 24079681920. Its totient is φ = 1862217216.

The previous prime is 7775432317. The next prime is 7775432359. The reversal of 7775432340 is 432345777.

It is a happy number.

It is a super-3 number, since 3×7775432340³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7775432292 and 7775432301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105850 + ... + 163569.

It is an arithmetic number, because the mean of its divisors is an integer number (250830020).

Almost surely, 2^7775432340 is an apocalyptic number.

It is an amenable number.

7775432340 is an abundant number, since it is smaller than the sum of its proper divisors (16304249580).

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

7775432340 is a wasteful number, since it uses less digits than its factorization.

7775432340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269481 (or 269479 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 42.

The square root of 7775432340 is about 88178.4119838864. The cubic root of 7775432340 is about 1981.1081390067.

The spelling of 7775432340 in words is "seven billion, seven hundred seventy-five million, four hundred thirty-two thousand, three hundred forty".