73480551 has 8 divisors (see below), whose sum is σ = 98467200. Its totient is φ = 48740472.

The previous prime is 73480541. The next prime is 73480597. The reversal of 73480551 is 15508437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-73480551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73480541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60945 + ... + 62138.

It is an arithmetic number, because the mean of its divisors is an integer number (12308400).

Almost surely, 2^73480551 is an apocalyptic number.

73480551 is a deficient number, since it is larger than the sum of its proper divisors (24986649).

73480551 is a wasteful number, since it uses less digits than its factorization.

73480551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123285.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 73480551 is about 8572.0797359801. The cubic root of 73480551 is about 418.8489857033.

Adding to 73480551 its reverse (15508437), we get a palindrome (88988988).

The spelling of 73480551 in words is "seventy-three million, four hundred eighty thousand, five hundred fifty-one".