71520674 has 16 divisors (see below), whose sum is σ = 113140800. Its totient is φ = 33814224.

The previous prime is 71520671. The next prime is 71520679. The reversal of 71520674 is 47602517.

It is a self number, because there is not a number n which added to its sum of digits gives 71520674.

It is not an unprimeable number, because it can be changed into a prime (71520671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23132 + ... + 26040.

It is an arithmetic number, because the mean of its divisors is an integer number (7071300).

Almost surely, 2^71520674 is an apocalyptic number.

71520674 is a deficient number, since it is larger than the sum of its proper divisors (41620126).

71520674 is a wasteful number, since it uses less digits than its factorization.

71520674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 71520674 is about 8456.9896535351. The cubic root of 71520674 is about 415.0915247886.

The spelling of 71520674 in words is "seventy-one million, five hundred twenty thousand, six hundred seventy-four".