90761428 has 24 divisors (see below), whose sum is σ = 165602304. Its totient is φ = 43476000.

The previous prime is 90761417. The next prime is 90761431. The reversal of 90761428 is 82416709.

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 7 ways as a sum of consecutive naturals, for example, 8901 + ... + 16147.

It is an arithmetic number, because the mean of its divisors is an integer number (6900096).

Almost surely, 2^90761428 is an apocalyptic number.

It is an amenable number.

90761428 is a deficient number, since it is larger than the sum of its proper divisors (74840876).

90761428 is a wasteful number, since it uses less digits than its factorization.

90761428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7383 (or 7381 counting only the distinct ones).

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

The square root of 90761428 is about 9526.8792371899. The cubic root of 90761428 is about 449.4007298714.

The spelling of 90761428 in words is "ninety million, seven hundred sixty-one thousand, four hundred twenty-eight".