73481480 has 32 divisors (see below), whose sum is σ = 175060440. Its totient is φ = 27663360.

The previous prime is 73481459. The next prime is 73481533. The reversal of 73481480 is 8418437.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70190884 + 3290596 = 8378^2 + 1814^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 73481480.

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, 53351 + ... + 54710.

Almost surely, 2^73481480 is an apocalyptic number.

It is an amenable number.

73481480 is an abundant number, since it is smaller than the sum of its proper divisors (101578960).

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

73481480 is a wasteful number, since it uses less digits than its factorization.

73481480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108089 (or 108085 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 73481480 is about 8572.1339233589. The cubic root of 73481480 is about 418.8507508373.

The spelling of 73481480 in words is "seventy-three million, four hundred eighty-one thousand, four hundred eighty".