76538091 has 16 divisors (see below), whose sum is σ = 118229504. Its totient is φ = 43136064.

The previous prime is 76538087. The next prime is 76538113. The reversal of 76538091 is 19083567.

It is not a de Polignac number, because 76538091 - 2² = 76538087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76538081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23431 + ... + 26496.

It is an arithmetic number, because the mean of its divisors is an integer number (7389344).

Almost surely, 2^76538091 is an apocalyptic number.

76538091 is a deficient number, since it is larger than the sum of its proper divisors (41691413).

76538091 is a wasteful number, since it uses less digits than its factorization.

76538091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50010.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 76538091 is about 8748.6050888127. The cubic root of 76538091 is about 424.5796831831.

The spelling of 76538091 in words is "seventy-six million, five hundred thirty-eight thousand, ninety-one".