76138261 has 8 divisors (see below), whose sum is σ = 79079040. Its totient is φ = 73252608.

The previous prime is 76138247. The next prime is 76138289. The reversal of 76138261 is 16283167.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76138261 - 2⁵ = 76138229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76138241) 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, 10956 + ... + 16501.

It is an arithmetic number, because the mean of its divisors is an integer number (9884880).

Almost surely, 2^76138261 is an apocalyptic number.

It is an amenable number.

76138261 is a deficient number, since it is larger than the sum of its proper divisors (2940779).

76138261 is a wasteful number, since it uses less digits than its factorization.

76138261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27563.

The product of its digits is 12096, while the sum is 34.

The square root of 76138261 is about 8725.7240960278. The cubic root of 76138261 is about 423.8390665048.

The spelling of 76138261 in words is "seventy-six million, one hundred thirty-eight thousand, two hundred sixty-one".