74040087 has 16 divisors (see below), whose sum is σ = 109988352. Its totient is φ = 43917120.

The previous prime is 74040077. The next prime is 74040097. The reversal of 74040087 is 78004047.

It is an interprime number because it is at equal distance from previous prime (74040077) and next prime (74040097).

It is not a de Polignac number, because 74040087 - 2¹² = 74035991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74040047) by changing a digit.

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, 22318 + ... + 25419.

It is an arithmetic number, because the mean of its divisors is an integer number (6874272).

Almost surely, 2^74040087 is an apocalyptic number.

74040087 is a deficient number, since it is larger than the sum of its proper divisors (35948265).

74040087 is a wasteful number, since it uses less digits than its factorization.

74040087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47798.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 74040087 is about 8604.6549611242. The cubic root of 74040087 is about 419.9094419270.

The spelling of 74040087 in words is "seventy-four million, forty thousand, eighty-seven".