76272229 has 6 divisors (see below), whose sum is σ = 83836550. Its totient is φ = 69338280.

The previous prime is 76272223. The next prime is 76272241. The reversal of 76272229 is 92227267.

It can be written as a sum of positive squares in only one way, i.e., 55130625 + 21141604 = 7425^2 + 4598^2 .

It is not a de Polignac number, because 76272229 - 2¹⁵ = 76239461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76272223) 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 5 ways as a sum of consecutive naturals, for example, 315054 + ... + 315295.

Almost surely, 2^76272229 is an apocalyptic number.

It is an amenable number.

76272229 is a deficient number, since it is larger than the sum of its proper divisors (7564321).

76272229 is a wasteful number, since it uses less digits than its factorization.

76272229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630371 (or 630360 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 76272229 is about 8733.3973343711. The cubic root of 76272229 is about 424.0875075259.

The spelling of 76272229 in words is "seventy-six million, two hundred seventy-two thousand, two hundred twenty-nine".