74515005 has 16 divisors (see below), whose sum is σ = 132471360. Its totient is φ = 39741264.

The previous prime is 74514991. The next prime is 74515013. The reversal of 74515005 is 50051547.

It is not a de Polignac number, because 74515005 - 2⁴ = 74514989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 74515005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275847 + ... + 276116.

It is an arithmetic number, because the mean of its divisors is an integer number (8279460).

Almost surely, 2^74515005 is an apocalyptic number.

It is an amenable number.

74515005 is a deficient number, since it is larger than the sum of its proper divisors (57956355).

74515005 is a wasteful number, since it uses less digits than its factorization.

74515005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551977 (or 551971 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 74515005 is about 8632.2074233651. The cubic root of 74515005 is about 420.8053425381.

The spelling of 74515005 in words is "seventy-four million, five hundred fifteen thousand, five".