71743628 has 24 divisors (see below), whose sum is σ = 137185104. Its totient is φ = 32558400.

The previous prime is 71743627. The next prime is 71743631. The reversal of 71743628 is 82634717.

It is a junction number, because it is equal to n+sod(n) for n = 71743591 and 71743600.

It is not an unprimeable number, because it can be changed into a prime (71743627) 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, 44126 + ... + 45722.

It is an arithmetic number, because the mean of its divisors is an integer number (5716046).

Almost surely, 2^71743628 is an apocalyptic number.

It is an amenable number.

71743628 is a deficient number, since it is larger than the sum of its proper divisors (65441476).

71743628 is a wasteful number, since it uses less digits than its factorization.

71743628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633 (or 2631 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 71743628 is about 8470.1610374302. The cubic root of 71743628 is about 415.5224040055.

The spelling of 71743628 in words is "seventy-one million, seven hundred forty-three thousand, six hundred twenty-eight".