73650145873 has 16 divisors (see below), whose sum is σ = 77955563520. Its totient is φ = 69388713936.

The previous prime is 73650145859. The next prime is 73650145883. The reversal of 73650145873 is 37854105637.

It is a cyclic number.

It is not a de Polignac number, because 73650145873 - 2¹³ = 73650137681 is a prime.

It is a super-2 number, since 2×73650145873² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73650145843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2510536 + ... + 2539702.

It is an arithmetic number, because the mean of its divisors is an integer number (4872222720).

Almost surely, 2^73650145873 is an apocalyptic number.

It is an amenable number.

73650145873 is a deficient number, since it is larger than the sum of its proper divisors (4305417647).

73650145873 is a wasteful number, since it uses less digits than its factorization.

73650145873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29916.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 73650145873 in words is "seventy-three billion, six hundred fifty million, one hundred forty-five thousand, eight hundred seventy-three".