74040069 has 8 divisors (see below), whose sum is σ = 98809632. Its totient is φ = 49315280.

The previous prime is 74040061. The next prime is 74040073. The reversal of 74040069 is 96004047.

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 74040069 - 2³ = 74040061 is a prime.

It is a super-2 number, since 2×74040069² = 10963863635049522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74040061) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7122 + ... + 14099.

It is an arithmetic number, because the mean of its divisors is an integer number (12351204).

Almost surely, 2^74040069 is an apocalyptic number.

It is an amenable number.

74040069 is a deficient number, since it is larger than the sum of its proper divisors (24769563).

74040069 is a wasteful number, since it uses less digits than its factorization.

74040069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22387.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 74040069 is about 8604.6539151787. The cubic root of 74040069 is about 419.9094078987.

The spelling of 74040069 in words is "seventy-four million, forty thousand, sixty-nine".