73045560 has 64 divisors (see below), whose sum is σ = 250444800. Its totient is φ = 16695936.

The previous prime is 73045547. The next prime is 73045571. The reversal of 73045560 is 6554037.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42640 + ... + 44319.

It is an arithmetic number, because the mean of its divisors is an integer number (3913200).

Almost surely, 2^73045560 is an apocalyptic number.

73045560 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73045560 is an abundant number, since it is smaller than the sum of its proper divisors (177399240).

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

73045560 is a wasteful number, since it uses less digits than its factorization.

73045560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86980 (or 86976 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 73045560 is about 8546.6695267806. The cubic root of 73045560 is about 418.0208470788.

Adding to 73045560 its reverse (6554037), we get a palindrome (79599597).

The spelling of 73045560 in words is "seventy-three million, forty-five thousand, five hundred sixty".