71424634 has 16 divisors (see below), whose sum is σ = 109869408. Its totient is φ = 34805232.

The previous prime is 71424623. The next prime is 71424653. The reversal of 71424634 is 43642417.

It is a junction number, because it is equal to n+sod(n) for n = 71424596 and 71424605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74949 + ... + 75895.

It is an arithmetic number, because the mean of its divisors is an integer number (6866838).

Almost surely, 2^71424634 is an apocalyptic number.

71424634 is a deficient number, since it is larger than the sum of its proper divisors (38444774).

71424634 is a wasteful number, since it uses less digits than its factorization.

71424634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869.

The product of its digits is 16128, while the sum is 31.

The square root of 71424634 is about 8451.3096026592. The cubic root of 71424634 is about 414.9056426501.

The spelling of 71424634 in words is "seventy-one million, four hundred twenty-four thousand, six hundred thirty-four".