74218029 has 16 divisors (see below), whose sum is σ = 102731520. Its totient is φ = 47626560.

The previous prime is 74218007. The next prime is 74218031. The reversal of 74218029 is 92081247.

It is a happy number.

It is not a de Polignac number, because 74218029 - 2¹⁶ = 74152493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74218099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4287 + ... + 12915.

It is an arithmetic number, because the mean of its divisors is an integer number (6420720).

Almost surely, 2^74218029 is an apocalyptic number.

It is an amenable number.

74218029 is a deficient number, since it is larger than the sum of its proper divisors (28513491).

74218029 is a wasteful number, since it uses less digits than its factorization.

74218029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8740.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 74218029 is about 8614.9886244847. The cubic root of 74218029 is about 420.2455650122.

The spelling of 74218029 in words is "seventy-four million, two hundred eighteen thousand, twenty-nine".