76421276 has 12 divisors (see below), whose sum is σ = 135621360. Its totient is φ = 37672320.

The previous prime is 76421269. The next prime is 76421297. The reversal of 76421276 is 67212467.

It is a super-2 number, since 2×76421276² = 11680422850936352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 134261 + ... + 134828.

It is an arithmetic number, because the mean of its divisors is an integer number (11301780).

Almost surely, 2^76421276 is an apocalyptic number.

It is an amenable number.

76421276 is a deficient number, since it is larger than the sum of its proper divisors (59200084).

76421276 is a wasteful number, since it uses less digits than its factorization.

76421276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269164 (or 269162 counting only the distinct ones).

The product of its digits is 28224, while the sum is 35.

The square root of 76421276 is about 8741.9263323366. The cubic root of 76421276 is about 424.3635706183.

The spelling of 76421276 in words is "seventy-six million, four hundred twenty-one thousand, two hundred seventy-six".