73478647733 has 8 divisors (see below), whose sum is σ = 73692123648. Its totient is φ = 73265244624.

The previous prime is 73478647727. The next prime is 73478647751. The reversal of 73478647733 is 33774687437.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73478647733 is a prime.

It is a super-2 number, since 2×73478647733² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73478647703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2504135 + ... + 2533307.

It is an arithmetic number, because the mean of its divisors is an integer number (9211515456).

Almost surely, 2^73478647733 is an apocalyptic number.

It is an amenable number.

73478647733 is a deficient number, since it is larger than the sum of its proper divisors (213475915).

73478647733 is a wasteful number, since it uses less digits than its factorization.

73478647733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36403.

The product of its digits is 49787136, while the sum is 59.

The spelling of 73478647733 in words is "seventy-three billion, four hundred seventy-eight million, six hundred forty-seven thousand, seven hundred thirty-three".