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74137019 = 1122330223
BaseRepresentation
bin1000110101100…
…11110110111011
312011111112212112
410122303312323
5122434341034
611205002535
71560103625
oct432636673
9164445775
1074137019
1138937270
12209b344b
1312489878
149bbbc15
1567967ce
hex46b3dbb

74137019 has 8 divisors (see below), whose sum is σ = 81242112. Its totient is φ = 67092840.

The previous prime is 74137013. The next prime is 74137043. The reversal of 74137019 is 91073147.

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 74137019 - 28 = 74136763 is a prime.

It is a super-2 number, since 2×741370192 = 10992595172412722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74137013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12659 + ... + 17564.

It is an arithmetic number, because the mean of its divisors is an integer number (10155264).

Almost surely, 274137019 is an apocalyptic number.

74137019 is a deficient number, since it is larger than the sum of its proper divisors (7105093).

74137019 is a wasteful number, since it uses less digits than its factorization.

74137019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30457.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 74137019 is about 8610.2856514752. The cubic root of 74137019 is about 420.0926080747.

The spelling of 74137019 in words is "seventy-four million, one hundred thirty-seven thousand, nineteen".

Divisors: 1 11 223 2453 30223 332453 6739729 74137019