71745104 has 10 divisors (see below), whose sum is σ = 139006170. Its totient is φ = 35872544.

The previous prime is 71745103. The next prime is 71745131. The reversal of 71745104 is 40154717.

It can be written as a sum of positive squares in only one way, i.e., 66455104 + 5290000 = 8152^2 + 2300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71745103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2242019 + ... + 2242050.

It is an arithmetic number, because the mean of its divisors is an integer number (13900617).

Almost surely, 2^71745104 is an apocalyptic number.

It is an amenable number.

71745104 is a deficient number, since it is larger than the sum of its proper divisors (67261066).

71745104 is a wasteful number, since it uses less digits than its factorization.

71745104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484077 (or 4484071 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 71745104 is about 8470.2481663762. The cubic root of 71745104 is about 415.5252535355.

The spelling of 71745104 in words is "seventy-one million, seven hundred forty-five thousand, one hundred four".