76280540 has 24 divisors (see below), whose sum is σ = 183073632. Its totient is φ = 26153280.

The previous prime is 76280531. The next prime is 76280543. The reversal of 76280540 is 4508267.

76280540 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

76280540 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 76280497 and 76280506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76280543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272291 + ... + 272570.

It is an arithmetic number, because the mean of its divisors is an integer number (7628068).

Almost surely, 2^76280540 is an apocalyptic number.

76280540 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

76280540 is an abundant number, since it is smaller than the sum of its proper divisors (106793092).

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

76280540 is a wasteful number, since it uses less digits than its factorization.

76280540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544877 (or 544875 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 76280540 is about 8733.8731385337. The cubic root of 76280540 is about 424.1029105251.

The spelling of 76280540 in words is "seventy-six million, two hundred eighty thousand, five hundred forty".