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74137005 = 335549163
BaseRepresentation
bin1000110101100…
…11110110101101
312011111112212000
410122303312231
5122434341010
611205002513
71560103605
oct432636655
9164445760
1074137005
1138937258
12209b3439
1312489867
149bbbc05
1567967c0
hex46b3dad

74137005 has 16 divisors (see below), whose sum is σ = 131799360. Its totient is φ = 39539664.

The previous prime is 74136991. The next prime is 74137009. The reversal of 74137005 is 50073147.

It is not a de Polignac number, because 74137005 - 25 = 74136973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74137005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74137009) 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, 274447 + ... + 274716.

It is an arithmetic number, because the mean of its divisors is an integer number (8237460).

Almost surely, 274137005 is an apocalyptic number.

It is an amenable number.

74137005 is a deficient number, since it is larger than the sum of its proper divisors (57662355).

74137005 is a wasteful number, since it uses less digits than its factorization.

74137005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549177 (or 549171 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 74137005 is about 8610.2848384940. The cubic root of 74137005 is about 420.0925816313.

The spelling of 74137005 in words is "seventy-four million, one hundred thirty-seven thousand, five".

Divisors: 1 3 5 9 15 27 45 135 549163 1647489 2745815 4942467 8237445 14827401 24712335 74137005