71673742 has 16 divisors (see below), whose sum is σ = 123769440. Its totient is φ = 30492288.

The previous prime is 71673691. The next prime is 71673743. The reversal of 71673742 is 24737617.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71673743) by changing a digit.

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, 16767 + ... + 20602.

It is an arithmetic number, because the mean of its divisors is an integer number (7735590).

Almost surely, 2^71673742 is an apocalyptic number.

71673742 is a deficient number, since it is larger than the sum of its proper divisors (52095698).

71673742 is a wasteful number, since it uses less digits than its factorization.

71673742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37515.

The product of its digits is 49392, while the sum is 37.

The square root of 71673742 is about 8466.0346089536. The cubic root of 71673742 is about 415.3874390209.

The spelling of 71673742 in words is "seventy-one million, six hundred seventy-three thousand, seven hundred forty-two".