76404261 has 8 divisors (see below), whose sum is σ = 102400960. Its totient is φ = 50671872.

The previous prime is 76404253. The next prime is 76404277. The reversal of 76404261 is 16240467.

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

It is not a de Polignac number, because 76404261 - 2³ = 76404253 is a prime.

It is a super-2 number, since 2×76404261² = 11675222197912242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76404221) by changing a digit.

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, 65401 + ... + 66558.

It is an arithmetic number, because the mean of its divisors is an integer number (12800120).

Almost surely, 2^76404261 is an apocalyptic number.

It is an amenable number.

76404261 is a deficient number, since it is larger than the sum of its proper divisors (25996699).

76404261 is a wasteful number, since it uses less digits than its factorization.

76404261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132155.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 76404261 is about 8740.9530944857. The cubic root of 76404261 is about 424.3320737958.

The spelling of 76404261 in words is "seventy-six million, four hundred four thousand, two hundred sixty-one".