76020447 has 16 divisors (see below), whose sum is σ = 108622080. Its totient is φ = 47121792.

The previous prime is 76020407. The next prime is 76020449. The reversal of 76020447 is 74402067.

It is not a de Polignac number, because 76020447 - 2⁶ = 76020383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76020449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4747 + ... + 13212.

It is an arithmetic number, because the mean of its divisors is an integer number (6788880).

Almost surely, 2^76020447 is an apocalyptic number.

76020447 is a deficient number, since it is larger than the sum of its proper divisors (32601633).

76020447 is a wasteful number, since it uses less digits than its factorization.

76020447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18062.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 76020447 is about 8718.9705240929. The cubic root of 76020447 is about 423.6203418109.

It can be divided in two parts, 76020 and 447, that added together give a palindrome (76467).

The spelling of 76020447 in words is "seventy-six million, twenty thousand, four hundred forty-seven".