73171480 has 32 divisors (see below), whose sum is σ = 168143040. Its totient is φ = 28645120.

The previous prime is 73171453. The next prime is 73171493. The reversal of 73171480 is 8417137.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17581 + ... + 21340.

It is an arithmetic number, because the mean of its divisors is an integer number (5254470).

Almost surely, 2^73171480 is an apocalyptic number.

It is an amenable number.

73171480 is an abundant number, since it is smaller than the sum of its proper divisors (94971560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73171480 is a wasteful number, since it uses less digits than its factorization.

73171480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38979 (or 38975 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 73171480 is about 8554.0329669694. The cubic root of 73171480 is about 418.2609117165.

The spelling of 73171480 in words is "seventy-three million, one hundred seventy-one thousand, four hundred eighty".