71413924 has 12 divisors (see below), whose sum is σ = 125427484. Its totient is φ = 35577504.

The previous prime is 71413907. The next prime is 71413939. The reversal of 71413924 is 42931417.

It can be written as a sum of positive squares in 2 ways, for example, as 3648100 + 67765824 = 1910^2 + 8232^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31119 + ... + 33334.

Almost surely, 2^71413924 is an apocalyptic number.

It is an amenable number.

71413924 is a deficient number, since it is larger than the sum of its proper divisors (54013560).

71413924 is a wasteful number, since it uses less digits than its factorization.

71413924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64734 (or 64732 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 71413924 is about 8450.6759492954. The cubic root of 71413924 is about 414.8849034862.

The spelling of 71413924 in words is "seventy-one million, four hundred thirteen thousand, nine hundred twenty-four".