71376444 has 24 divisors (see below), whose sum is σ = 185050320. Its totient is φ = 23792112.

The previous prime is 71376419. The next prime is 71376457. The reversal of 71376444 is 44467317.

It is a happy number.

71376444 is a `hidden beast` number, since 7 + 1 + 3 + 7 + 644 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 71376399 and 71376408.

It is a congruent number.

It is an unprimeable number.

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, 330339 + ... + 330554.

It is an arithmetic number, because the mean of its divisors is an integer number (7710430).

Almost surely, 2^71376444 is an apocalyptic number.

It is an amenable number.

71376444 is an abundant number, since it is smaller than the sum of its proper divisors (113673876).

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

71376444 is a wasteful number, since it uses less digits than its factorization.

71376444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660906 (or 660898 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 71376444 is about 8448.4580841713. The cubic root of 71376444 is about 414.8123097658.

The spelling of 71376444 in words is "seventy-one million, three hundred seventy-six thousand, four hundred forty-four".