73647040511 has 8 divisors (see below), whose sum is σ = 80391808848. Its totient is φ = 66910536000.

The previous prime is 73647040471. The next prime is 73647040547. The reversal of 73647040511 is 11504074637.

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

It is not a de Polignac number, because 73647040511 - 2³⁰ = 72573298687 is a prime.

It is a super-2 number, since 2×73647040511² (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 (73647040591) 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, 2047310 + ... + 2082971.

It is an arithmetic number, because the mean of its divisors is an integer number (10048976106).

Almost surely, 2^73647040511 is an apocalyptic number.

73647040511 is a deficient number, since it is larger than the sum of its proper divisors (6744768337).

73647040511 is a wasteful number, since it uses less digits than its factorization.

73647040511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131913.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 73647040511 in words is "seventy-three billion, six hundred forty-seven million, forty thousand, five hundred eleven".