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74071199 = 131565429
BaseRepresentation
bin1000110101000…
…11110010011111
312011101012120202
410122203302133
5122430234244
611203334115
71556411006
oct432436237
9164335522
1074071199
11388a1874
122098133b
1312465917
149ba1c3d
15678204e
hex46a3c9f

74071199 has 4 divisors (see below), whose sum is σ = 74636760. Its totient is φ = 73505640.

The previous prime is 74071189. The next prime is 74071211. The reversal of 74071199 is 99117047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99117047 = 349284003.

It is a cyclic number.

It is not a de Polignac number, because 74071199 - 216 = 74005663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74071189) 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, 282584 + ... + 282845.

It is an arithmetic number, because the mean of its divisors is an integer number (18659190).

Almost surely, 274071199 is an apocalyptic number.

74071199 is a deficient number, since it is larger than the sum of its proper divisors (565561).

74071199 is a wasteful number, since it uses less digits than its factorization.

74071199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565560.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 74071199 is about 8606.4626299078. The cubic root of 74071199 is about 419.9682496785.

The spelling of 74071199 in words is "seventy-four million, seventy-one thousand, one hundred ninety-nine".

Divisors: 1 131 565429 74071199