74895520749 has 32 divisors (see below), whose sum is σ = 116882659584. Its totient is φ = 41772257280.

The previous prime is 74895520717. The next prime is 74895520753. The reversal of 74895520749 is 94702559847.

It is not a de Polignac number, because 74895520749 - 2⁵ = 74895520717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74895520692 and 74895520701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74895520789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40479 + ... + 389139.

It is an arithmetic number, because the mean of its divisors is an integer number (3652583112).

Almost surely, 2^74895520749 is an apocalyptic number.

It is an amenable number.

74895520749 is a deficient number, since it is larger than the sum of its proper divisors (41987138835).

74895520749 is a wasteful number, since it uses less digits than its factorization.

74895520749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348917.

The product of its (nonzero) digits is 25401600, while the sum is 60.

The spelling of 74895520749 in words is "seventy-four billion, eight hundred ninety-five million, five hundred twenty thousand, seven hundred forty-nine".