74229429 has 16 divisors (see below), whose sum is σ = 105019200. Its totient is φ = 46475520.

The previous prime is 74229413. The next prime is 74229433. The reversal of 74229429 is 92492247.

It is not a de Polignac number, because 74229429 - 2⁴ = 74229413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74229439) 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, 27847 + ... + 30395.

It is an arithmetic number, because the mean of its divisors is an integer number (6563700).

Almost surely, 2^74229429 is an apocalyptic number.

It is an amenable number.

74229429 is a deficient number, since it is larger than the sum of its proper divisors (30789771).

74229429 is a wasteful number, since it uses less digits than its factorization.

74229429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140.

The product of its digits is 72576, while the sum is 39.

The square root of 74229429 is about 8615.6502366333. The cubic root of 74229429 is about 420.2670806926.

It can be divided in two parts, 74 and 229429, that added together give a triangular number (229503 = T₆₇₇).

The spelling of 74229429 in words is "seventy-four million, two hundred twenty-nine thousand, four hundred twenty-nine".