71904468 has 24 divisors (see below), whose sum is σ = 172312672. Its totient is φ = 23320224.

The previous prime is 71904461. The next prime is 71904487. The reversal of 71904468 is 86440917.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71904461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80530 + ... + 81417.

Almost surely, 2^71904468 is an apocalyptic number.

It is an amenable number.

71904468 is an abundant number, since it is smaller than the sum of its proper divisors (100408204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71904468 is a wasteful number, since it uses less digits than its factorization.

71904468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161991 (or 161989 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 71904468 is about 8479.6502286356. The cubic root of 71904468 is about 415.8326882033.

The spelling of 71904468 in words is "seventy-one million, nine hundred four thousand, four hundred sixty-eight".