76229128 has 8 divisors (see below), whose sum is σ = 142929630. Its totient is φ = 38114560.

The previous prime is 76229117. The next prime is 76229137. The reversal of 76229128 is 82192267.

It can be written as a sum of positive squares in only one way, i.e., 43533604 + 32695524 = 6598^2 + 5718^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4764313 + ... + 4764328.

Almost surely, 2^76229128 is an apocalyptic number.

It is an amenable number.

76229128 is a deficient number, since it is larger than the sum of its proper divisors (66700502).

76229128 is a wasteful number, since it uses less digits than its factorization.

76229128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9528647 (or 9528643 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 76229128 is about 8730.9293892460. The cubic root of 76229128 is about 424.0076093330.

It can be divided in two parts, 762 and 29128, that added together give a triangular number (29890 = T₂₄₄).

The spelling of 76229128 in words is "seventy-six million, two hundred twenty-nine thousand, one hundred twenty-eight".