74754915893 has 16 divisors (see below), whose sum is σ = 85917465216. Its totient is φ = 63713986560.

The previous prime is 74754915887. The next prime is 74754915913. The reversal of 74754915893 is 39851945747.

It is not a de Polignac number, because 74754915893 - 2¹² = 74754911797 is a prime.

It is a super-4 number, since 4×74754915893⁴ (a number of 45 digits) contains 4444 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 (74754915293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1102430 + ... + 1168272.

It is an arithmetic number, because the mean of its divisors is an integer number (5369841576).

Almost surely, 2^74754915893 is an apocalyptic number.

It is an amenable number.

74754915893 is a deficient number, since it is larger than the sum of its proper divisors (11162549323).

74754915893 is a wasteful number, since it uses less digits than its factorization.

74754915893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66764.

The product of its digits is 38102400, while the sum is 62.

The spelling of 74754915893 in words is "seventy-four billion, seven hundred fifty-four million, nine hundred fifteen thousand, eight hundred ninety-three".