76091428 has 48 divisors (see below), whose sum is σ = 161078400. Its totient is φ = 30723840.

The previous prime is 76091419. The next prime is 76091441. The reversal of 76091428 is 82419067.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149238 + ... + 149746.

It is an arithmetic number, because the mean of its divisors is an integer number (3355800).

Almost surely, 2^76091428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76091428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80539200).

76091428 is an abundant number, since it is smaller than the sum of its proper divisors (84986972).

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

76091428 is a wasteful number, since it uses less digits than its factorization.

76091428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 76091428 is about 8723.0400663989. The cubic root of 76091428 is about 423.7521468842.

The spelling of 76091428 in words is "seventy-six million, ninety-one thousand, four hundred twenty-eight".