71371742 has 32 divisors (see below), whose sum is σ = 119380800. Its totient is φ = 31977504.

The previous prime is 71371711. The next prime is 71371747. The reversal of 71371742 is 24717317.

71371742 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is a super-2 number, since 2×71371742² = 10187851112229128, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 71371699 and 71371708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71371747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162359 + ... + 162797.

It is an arithmetic number, because the mean of its divisors is an integer number (3730650).

Almost surely, 2^71371742 is an apocalyptic number.

71371742 is a deficient number, since it is larger than the sum of its proper divisors (48009058).

71371742 is a wasteful number, since it uses less digits than its factorization.

71371742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 491 counting only the distinct ones).

The product of its digits is 8232, while the sum is 32.

The square root of 71371742 is about 8448.1798039578. The cubic root of 71371742 is about 414.8032008301.

The spelling of 71371742 in words is "seventy-one million, three hundred seventy-one thousand, seven hundred forty-two".