74057148577 has 8 divisors (see below), whose sum is σ = 75303020520. Its totient is φ = 72820471680.

The previous prime is 74057148563. The next prime is 74057148647. The reversal of 74057148577 is 77584175047.

It can be written as a sum of positive squares in 4 ways, for example, as 38328481 + 74018820096 = 6191^2 + 272064^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74057148577 is a prime.

It is a super-2 number, since 2×74057148577² (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 (74057148377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2282518 + ... + 2314735.

It is an arithmetic number, because the mean of its divisors is an integer number (9412877565).

Almost surely, 2^74057148577 is an apocalyptic number.

It is an amenable number.

74057148577 is a deficient number, since it is larger than the sum of its proper divisors (1245871943).

74057148577 is a wasteful number, since it uses less digits than its factorization.

74057148577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4597523.

The product of its (nonzero) digits is 7683200, while the sum is 55.

The spelling of 74057148577 in words is "seventy-four billion, fifty-seven million, one hundred forty-eight thousand, five hundred seventy-seven".