73470655 has 4 divisors (see below), whose sum is σ = 88164792. Its totient is φ = 58776520.

The previous prime is 73470653. The next prime is 73470689. The reversal of 73470655 is 55607437.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 73470655 - 2¹ = 73470653 is a prime.

It is a super-3 number, since 3×73470655³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73470653) 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 3 ways as a sum of consecutive naturals, for example, 7347061 + ... + 7347070.

It is an arithmetic number, because the mean of its divisors is an integer number (22041198).

Almost surely, 2^73470655 is an apocalyptic number.

73470655 is a deficient number, since it is larger than the sum of its proper divisors (14694137).

73470655 is a wasteful number, since it uses less digits than its factorization.

73470655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14694136.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 73470655 is about 8571.5024937289. The cubic root of 73470655 is about 418.8301820172.

The spelling of 73470655 in words is "seventy-three million, four hundred seventy thousand, six hundred fifty-five".