74913628049 has 16 divisors (see below), whose sum is σ = 84846784512. Its totient is φ = 65623618368.

The previous prime is 74913627967. The next prime is 74913628073. The reversal of 74913628049 is 94082631947.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74913628049 is a prime.

It is a super-2 number, since 2×74913628049² (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 (74913628099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948434 + ... + 1024379.

It is an arithmetic number, because the mean of its divisors is an integer number (5302924032).

Almost surely, 2^74913628049 is an apocalyptic number.

It is an amenable number.

74913628049 is a deficient number, since it is larger than the sum of its proper divisors (9933156463).

74913628049 is a wasteful number, since it uses less digits than its factorization.

74913628049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972976.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 74913628049 in words is "seventy-four billion, nine hundred thirteen million, six hundred twenty-eight thousand, forty-nine".