76946553 has 12 divisors (see below), whose sum is σ = 112552960. Its totient is φ = 50647896.

The previous prime is 76946549. The next prime is 76946563. The reversal of 76946553 is 35564967.

76946553 is a `hidden beast` number, since 7 + 6 + 94 + 6 + 553 = 666.

It is not a de Polignac number, because 76946553 - 2² = 76946549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 76946499 and 76946508.

It is not an unprimeable number, because it can be changed into a prime (76946563) 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 11 ways as a sum of consecutive naturals, for example, 53401 + ... + 54822.

Almost surely, 2^76946553 is an apocalyptic number.

It is an amenable number.

76946553 is a deficient number, since it is larger than the sum of its proper divisors (35606407).

76946553 is a wasteful number, since it uses less digits than its factorization.

76946553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108308 (or 108305 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 76946553 is about 8771.9184332733. The cubic root of 76946553 is about 425.3336305300. Note that the first 3 decimals are identical.

The spelling of 76946553 in words is "seventy-six million, nine hundred forty-six thousand, five hundred fifty-three".