76040661 has 8 divisors (see below), whose sum is σ = 104127904. Its totient is φ = 49323600.

The previous prime is 76040659. The next prime is 76040663. The reversal of 76040661 is 16604067.

It is an interprime number because it is at equal distance from previous prime (76040659) and next prime (76040663).

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

It is not a de Polignac number, because 76040661 - 2¹ = 76040659 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76040663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342415 + ... + 342636.

It is an arithmetic number, because the mean of its divisors is an integer number (13015988).

Almost surely, 2^76040661 is an apocalyptic number.

It is an amenable number.

76040661 is a deficient number, since it is larger than the sum of its proper divisors (28087243).

76040661 is a wasteful number, since it uses less digits than its factorization.

76040661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685091.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 76040661 is about 8720.1296435317. The cubic root of 76040661 is about 423.6578856695.

It can be divided in two parts, 7604066 and 1, that added together give a palindrome (7604067).

The spelling of 76040661 in words is "seventy-six million, forty thousand, six hundred sixty-one".