73907730385 has 8 divisors (see below), whose sum is σ = 91550221056. Its totient is φ = 57218887920.

The previous prime is 73907730371. The next prime is 73907730437. The reversal of 73907730385 is 58303770937.

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

It is not a de Polignac number, because 73907730385 - 2¹¹ = 73907728337 is a prime.

It is a super-2 number, since 2×73907730385² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238411879 + ... + 238412188.

It is an arithmetic number, because the mean of its divisors is an integer number (11443777632).

Almost surely, 2^73907730385 is an apocalyptic number.

It is an amenable number.

73907730385 is a deficient number, since it is larger than the sum of its proper divisors (17642490671).

73907730385 is a wasteful number, since it uses less digits than its factorization.

73907730385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476824103.

The product of its (nonzero) digits is 3333960, while the sum is 52.

The spelling of 73907730385 in words is "seventy-three billion, nine hundred seven million, seven hundred thirty thousand, three hundred eighty-five".