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74424318 = 2312404053
BaseRepresentation
bin1000110111110…
…01111111111110
312012001010222020
410123321333332
5123023034233
611215101010
71562411343
oct433717776
9165033866
1074424318
1139013101
1220b11766
131255a577
149c547ca
1568019b3
hex46f9ffe

74424318 has 8 divisors (see below), whose sum is σ = 148848648. Its totient is φ = 24808104.

The previous prime is 74424299. The next prime is 74424319. The reversal of 74424318 is 81342447.

It is a sphenic number, since it is the product of 3 distinct primes.

74424318 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74424319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6202021 + ... + 6202032.

It is an arithmetic number, because the mean of its divisors is an integer number (18606081).

Almost surely, 274424318 is an apocalyptic number.

74424318 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74424318 is a wasteful number, since it uses less digits than its factorization.

74424318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12404058.

The product of its digits is 21504, while the sum is 33.

The square root of 74424318 is about 8626.9529962786. The cubic root of 74424318 is about 420.6345623226.

The spelling of 74424318 in words is "seventy-four million, four hundred twenty-four thousand, three hundred eighteen".

Divisors: 1 2 3 6 12404053 24808106 37212159 74424318