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74260061 = 419371933
BaseRepresentation
bin1000110110100…
…01111001011101
312011201210122122
410123101321131
5123002310221
611211352325
71561125431
oct433217135
9164653578
1074260061
1138a10757
1220a526a5
1312500885
149c109c1
1567bceab
hex46d1e5d

74260061 has 8 divisors (see below), whose sum is σ = 76191864. Its totient is φ = 72334080.

The previous prime is 74260051. The next prime is 74260091. The reversal of 74260061 is 16006247.

It can be written as a sum of positive squares in 4 ways, for example, as 403225 + 73856836 = 635^2 + 8594^2 .

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 74260061 - 222 = 70065757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74260061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74260001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37451 + ... + 39383.

It is an arithmetic number, because the mean of its divisors is an integer number (9523983).

Almost surely, 274260061 is an apocalyptic number.

It is an amenable number.

74260061 is a deficient number, since it is larger than the sum of its proper divisors (1931803).

74260061 is a wasteful number, since it uses less digits than its factorization.

74260061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 74260061 is about 8617.4277484642. The cubic root of 74260061 is about 420.3248827932.

The spelling of 74260061 in words is "seventy-four million, two hundred sixty thousand, sixty-one".

Divisors: 1 41 937 1933 38417 79253 1811221 74260061