71674636 has 36 divisors (see below), whose sum is σ = 140248584. Its totient is φ = 31785600.

The previous prime is 71674633. The next prime is 71674639. The reversal of 71674636 is 63647617.

It is an interprime number because it is at equal distance from previous prime (71674633) and next prime (71674639).

It is not an unprimeable number, because it can be changed into a prime (71674633) 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 11 ways as a sum of consecutive naturals, for example, 80916 + ... + 81796.

It is an arithmetic number, because the mean of its divisors is an integer number (3895794).

Almost surely, 2^71674636 is an apocalyptic number.

It is an amenable number.

71674636 is a deficient number, since it is larger than the sum of its proper divisors (68573948).

71674636 is a wasteful number, since it uses less digits than its factorization.

71674636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982 (or 937 counting only the distinct ones).

The product of its digits is 127008, while the sum is 40.

The square root of 71674636 is about 8466.0874080061. The cubic root of 71674636 is about 415.3891660822.

The spelling of 71674636 in words is "seventy-one million, six hundred seventy-four thousand, six hundred thirty-six".