74756503145 has 32 divisors (see below), whose sum is σ = 94718937600. Its totient is φ = 56581056000.

The previous prime is 74756503121. The next prime is 74756503177. The reversal of 74756503145 is 54130565747.

It is not a de Polignac number, because 74756503145 - 2¹² = 74756499049 is a prime.

It is a super-3 number, since 3×74756503145³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74756503145.

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, 845756 + ... + 929954.

It is an arithmetic number, because the mean of its divisors is an integer number (2959966800).

Almost surely, 2^74756503145 is an apocalyptic number.

It is an amenable number.

74756503145 is a deficient number, since it is larger than the sum of its proper divisors (19962434455).

74756503145 is a wasteful number, since it uses less digits than its factorization.

74756503145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84377.

The product of its (nonzero) digits is 1764000, while the sum is 47.

The spelling of 74756503145 in words is "seventy-four billion, seven hundred fifty-six million, five hundred three thousand, one hundred forty-five".