74100505 has 8 divisors (see below), whose sum is σ = 89029512. Its totient is φ = 59207808.

The previous prime is 74100497. The next prime is 74100527. The reversal of 74100505 is 50500147.

It can be written as a sum of positive squares in 4 ways, for example, as 5938969 + 68161536 = 2437^2 + 8256^2 .

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 74100505 - 2³ = 74100497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4362 + ... + 12931.

It is an arithmetic number, because the mean of its divisors is an integer number (11128689).

Almost surely, 2^74100505 is an apocalyptic number.

It is an amenable number.

74100505 is a deficient number, since it is larger than the sum of its proper divisors (14929007).

74100505 is a wasteful number, since it uses less digits than its factorization.

74100505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18155.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 74100505 is about 8608.1650193290. The cubic root of 74100505 is about 420.0236286782.

The spelling of 74100505 in words is "seventy-four million, one hundred thousand, five hundred five".