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74422441 = 535572521
BaseRepresentation
bin1000110111110…
…01100010101001
312012001001101201
410123321202221
5123023004231
611215044201
71562403022
oct433714251
9165031351
1074422441
1139011755
1220b10661
1312559762
149c53c49
156801161
hex46f98a9

74422441 has 8 divisors (see below), whose sum is σ = 75992904. Its totient is φ = 72858240.

The previous prime is 74422409. The next prime is 74422451. The reversal of 74422441 is 14422447.

It can be written as a sum of positive squares in 4 ways, for example, as 960400 + 73462041 = 980^2 + 8571^2 .

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 74422441 - 25 = 74422409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74422451) 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, 28261 + ... + 30781.

It is an arithmetic number, because the mean of its divisors is an integer number (9499113).

Almost surely, 274422441 is an apocalyptic number.

It is an amenable number.

74422441 is a deficient number, since it is larger than the sum of its proper divisors (1570463).

74422441 is a wasteful number, since it uses less digits than its factorization.

74422441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131.

The product of its digits is 7168, while the sum is 28.

The square root of 74422441 is about 8626.8442086316. The cubic root of 74422441 is about 420.6310261231.

Adding to 74422441 its reverse (14422447), we get a palindrome (88844888).

The spelling of 74422441 in words is "seventy-four million, four hundred twenty-two thousand, four hundred forty-one".

Divisors: 1 53 557 2521 29521 133613 1404197 74422441