71464028 has 6 divisors (see below), whose sum is σ = 125062056. Its totient is φ = 35732012.

The previous prime is 71464027. The next prime is 71464031. The reversal of 71464028 is 82046417.

It is a junction number, because it is equal to n+sod(n) for n = 71463985 and 71464003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71464027) 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 as a sum of consecutive naturals, namely, 8933000 + ... + 8933007.

It is an arithmetic number, because the mean of its divisors is an integer number (20843676).

Almost surely, 2^71464028 is an apocalyptic number.

It is an amenable number.

71464028 is a deficient number, since it is larger than the sum of its proper divisors (53598028).

71464028 is a wasteful number, since it uses less digits than its factorization.

71464028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17866011 (or 17866009 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 71464028 is about 8453.6399260910. The cubic root of 71464028 is about 414.9819085354.

The spelling of 71464028 in words is "seventy-one million, four hundred sixty-four thousand, twenty-eight".