74274005 has 8 divisors (see below), whose sum is σ = 95984952. Its totient is φ = 54848448.

The previous prime is 74273999. The next prime is 74274019. The reversal of 74274005 is 50047247.

It can be written as a sum of positive squares in 4 ways, for example, as 21316 + 74252689 = 146^2 + 8617^2 .

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 74274005 - 2¹⁴ = 74257621 is a prime.

It is a Duffinian number.

It is a congruent 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, 571274 + ... + 571403.

It is an arithmetic number, because the mean of its divisors is an integer number (11998119).

Almost surely, 2^74274005 is an apocalyptic number.

It is an amenable number.

74274005 is a deficient number, since it is larger than the sum of its proper divisors (21710947).

74274005 is a wasteful number, since it uses less digits than its factorization.

74274005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142695.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 74274005 is about 8618.2367686204. The cubic root of 74274005 is about 420.3511896365.

It can be divided in two parts, 742 and 74005, that added together give a palindrome (74747).

The spelling of 74274005 in words is "seventy-four million, two hundred seventy-four thousand, five".