71927842 has 16 divisors (see below), whose sum is σ = 124692480. Its totient is φ = 30479328.

The previous prime is 71927809. The next prime is 71927881. The reversal of 71927842 is 24872917.

It is a super-2 number, since 2×71927842² = 10347228909553928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71927795 and 71927804.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27618 + ... + 30109.

It is an arithmetic number, because the mean of its divisors is an integer number (7793280).

Almost surely, 2^71927842 is an apocalyptic number.

71927842 is a deficient number, since it is larger than the sum of its proper divisors (52764638).

71927842 is a wasteful number, since it uses less digits than its factorization.

71927842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57825.

The product of its digits is 56448, while the sum is 40.

The square root of 71927842 is about 8481.0283574576. The cubic root of 71927842 is about 415.8777415939.

It can be divided in two parts, 719 and 27842, that added together give a 4-th power (28561 = 13⁴).

The spelling of 71927842 in words is "seventy-one million, nine hundred twenty-seven thousand, eight hundred forty-two".