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74444077 = 233236699
BaseRepresentation
bin1000110111111…
…10110100101101
312012002011002001
410123332310231
5123024202302
611215332301
71562523061
oct433766455
9165064061
1074444077
1139026a34
1220b21091
1312566566
149c5baa1
156807787
hex46fed2d

74444077 has 4 divisors (see below), whose sum is σ = 77680800. Its totient is φ = 71207356.

The previous prime is 74444063. The next prime is 74444081. The reversal of 74444077 is 77044447.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77044447 = 174744101.

It is not a de Polignac number, because 74444077 - 27 = 74443949 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 (74444047) 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 3 ways as a sum of consecutive naturals, for example, 1618327 + ... + 1618372.

It is an arithmetic number, because the mean of its divisors is an integer number (19420200).

Almost surely, 274444077 is an apocalyptic number.

It is an amenable number.

74444077 is a deficient number, since it is larger than the sum of its proper divisors (3236723).

74444077 is a wasteful number, since it uses less digits than its factorization.

74444077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236722.

The product of its (nonzero) digits is 87808, while the sum is 37.

The square root of 74444077 is about 8628.0981102442. The cubic root of 74444077 is about 420.6717839509.

The spelling of 74444077 in words is "seventy-four million, four hundred forty-four thousand, seventy-seven".

Divisors: 1 23 3236699 74444077