74053243505 has 8 divisors (see below), whose sum is σ = 88870338432. Its totient is φ = 59238297328.

The previous prime is 74053243501. The next prime is 74053243507. The reversal of 74053243505 is 50534235047.

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

It is a cyclic number.

It is not a de Polignac number, because 74053243505 - 2² = 74053243501 is a prime.

It is a super-2 number, since 2×74053243505² (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 (74053243501) 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, 460367 + ... + 600036.

It is an arithmetic number, because the mean of its divisors is an integer number (11108792304).

Almost surely, 2^74053243505 is an apocalyptic number.

It is an amenable number.

74053243505 is a deficient number, since it is larger than the sum of its proper divisors (14817094927).

74053243505 is a wasteful number, since it uses less digits than its factorization.

74053243505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074375.

The product of its (nonzero) digits is 252000, while the sum is 38.

The spelling of 74053243505 in words is "seventy-four billion, fifty-three million, two hundred forty-three thousand, five hundred five".