74140045 has 16 divisors (see below), whose sum is σ = 104427648. Its totient is φ = 49464000.

The previous prime is 74140039. The next prime is 74140051. The reversal of 74140045 is 54004147.

It is an interprime number because it is at equal distance from previous prime (74140039) and next prime (74140051).

It is not a de Polignac number, because 74140045 - 2⁷ = 74139917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27331 + ... + 29920.

It is an arithmetic number, because the mean of its divisors is an integer number (6526728).

Almost surely, 2^74140045 is an apocalyptic number.

It is an amenable number.

74140045 is a deficient number, since it is larger than the sum of its proper divisors (30287603).

74140045 is a wasteful number, since it uses less digits than its factorization.

74140045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57300.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 74140045 is about 8610.4613697525. The cubic root of 74140045 is about 420.0983235411.

The spelling of 74140045 in words is "seventy-four million, one hundred forty thousand, forty-five".