73805845542 has 64 divisors (see below), whose sum is σ = 183619021824. Its totient is φ = 19430576640.

The previous prime is 73805845523. The next prime is 73805845567. The reversal of 73805845542 is 24554850837.

It is a super-2 number, since 2×73805845542² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2515438 + ... + 2544609.

It is an arithmetic number, because the mean of its divisors is an integer number (2869047216).

Almost surely, 2^73805845542 is an apocalyptic number.

73805845542 is an abundant number, since it is smaller than the sum of its proper divisors (109813176282).

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

73805845542 is a wasteful number, since it uses less digits than its factorization.

73805845542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060093.

The product of its (nonzero) digits is 5376000, while the sum is 51.

The spelling of 73805845542 in words is "seventy-three billion, eight hundred five million, eight hundred forty-five thousand, five hundred forty-two".