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74044441 = 75797813
BaseRepresentation
bin1000110100111…
…01010000011001
312011022211212201
410122131100121
5122423410231
611203010201
71556240002
oct432352031
9164284781
1074044441
1138883759
1220969961
13124566a3
149b961a9
156779161
hex469d419

74044441 has 4 divisors (see below), whose sum is σ = 74143012. Its totient is φ = 73945872.

The previous prime is 74044417. The next prime is 74044471. The reversal of 74044441 is 14444047.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46785600 + 27258841 = 6840^2 + 5221^2 .

It is a cyclic number.

It is not a de Polignac number, because 74044441 - 29 = 74043929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74044471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48150 + ... + 49663.

It is an arithmetic number, because the mean of its divisors is an integer number (18535753).

Almost surely, 274044441 is an apocalyptic number.

It is an amenable number.

74044441 is a deficient number, since it is larger than the sum of its proper divisors (98571).

74044441 is an equidigital number, since it uses as much as digits as its factorization.

74044441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98570.

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

The square root of 74044441 is about 8604.9079599959. The cubic root of 74044441 is about 419.9176728280.

Adding to 74044441 its reverse (14444047), we get a palindrome (88488488).

The spelling of 74044441 in words is "seventy-four million, forty-four thousand, four hundred forty-one".

Divisors: 1 757 97813 74044441