76549940 has 24 divisors (see below), whose sum is σ = 162261792. Its totient is φ = 30332960.

The previous prime is 76549897. The next prime is 76549969. The reversal of 76549940 is 4994567.

It is a junction number, because it is equal to n+sod(n) for n = 76549891 and 76549900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15746 + ... + 20025.

It is an arithmetic number, because the mean of its divisors is an integer number (6760908).

Almost surely, 2^76549940 is an apocalyptic number.

It is an amenable number.

76549940 is an abundant number, since it is smaller than the sum of its proper divisors (85711852).

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

76549940 is a wasteful number, since it uses less digits than its factorization.

76549940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35887 (or 35885 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 76549940 is about 8749.2822562768. The cubic root of 76549940 is about 424.6015920348.

It can be divided in two parts, 765 and 49940, that added together give a palindrome (50705).

The spelling of 76549940 in words is "seventy-six million, five hundred forty-nine thousand, nine hundred forty".