7282961280 has 192 divisors, whose sum is σ = 28741845600. Its totient is φ = 1664667648.

The previous prime is 7282961233. The next prime is 7282961291. The reversal of 7282961280 is 821692827.

7282961280 is a `hidden beast` number, since 7 + 2 + 8 + 29 + 612 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49995 + ... + 130634.

Almost surely, 2^7282961280 is an apocalyptic number.

7282961280 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7282961280 is an abundant number, since it is smaller than the sum of its proper divisors (21458884320).

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

7282961280 is a wasteful number, since it uses less digits than its factorization.

7282961280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180661 (or 180646 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 7282961280 is about 85340.2676349213. The cubic root of 7282961280 is about 1938.3669681173.

The spelling of 7282961280 in words is "seven billion, two hundred eighty-two million, nine hundred sixty-one thousand, two hundred eighty".