76020829 has 4 divisors (see below), whose sum is σ = 78075484. Its totient is φ = 73966176.

The previous prime is 76020811. The next prime is 76020853. The reversal of 76020829 is 92802067.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62441604 + 13579225 = 7902^2 + 3685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76020829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76020794 and 76020803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76020809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027272 + ... + 1027345.

It is an arithmetic number, because the mean of its divisors is an integer number (19518871).

Almost surely, 2^76020829 is an apocalyptic number.

It is an amenable number.

76020829 is a deficient number, since it is larger than the sum of its proper divisors (2054655).

76020829 is a wasteful number, since it uses less digits than its factorization.

76020829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054654.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 76020829 is about 8718.9924303213. The cubic root of 76020829 is about 423.6210513687.

The spelling of 76020829 in words is "seventy-six million, twenty thousand, eight hundred twenty-nine".