7745273480 has 32 divisors (see below), whose sum is σ = 19916418240. Its totient is φ = 2655522240.

The previous prime is 7745273479. The next prime is 7745273537. The reversal of 7745273480 is 843725477.

It is a super-2 number, since 2×7745273480² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13830566 + ... + 13831125.

It is an arithmetic number, because the mean of its divisors is an integer number (622388070).

Almost surely, 2^7745273480 is an apocalyptic number.

7745273480 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7745273480 is an abundant number, since it is smaller than the sum of its proper divisors (12171144760).

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

7745273480 is a wasteful number, since it uses less digits than its factorization.

7745273480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27661709 (or 27661705 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 47.

The square root of 7745273480 is about 88007.2353843705. The cubic root of 7745273480 is about 1978.5434207946.

The spelling of 7745273480 in words is "seven billion, seven hundred forty-five million, two hundred seventy-three thousand, four hundred eighty".