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74440825 = 5229102677
BaseRepresentation
bin1000110111111…
…10000001111001
312012001222121121
410123332001321
5123024101300
611215305241
71562510434
oct433760171
9165058547
1074440825
1139024548
1220b1b221
1312564c34
149c5a81b
15680681a
hex46fe079

74440825 has 12 divisors (see below), whose sum is σ = 95490540. Its totient is φ = 57498560.

The previous prime is 74440813. The next prime is 74440843. The reversal of 74440825 is 52804447.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4149369 + 70291456 = 2037^2 + 8384^2 .

It is not a de Polignac number, because 74440825 - 215 = 74408057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50614 + ... + 52063.

It is an arithmetic number, because the mean of its divisors is an integer number (7957545).

Almost surely, 274440825 is an apocalyptic number.

It is an amenable number.

74440825 is a deficient number, since it is larger than the sum of its proper divisors (21049715).

74440825 is a wasteful number, since it uses less digits than its factorization.

74440825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102716 (or 102711 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 74440825 is about 8627.9096541399. The cubic root of 74440825 is about 420.6656583480.

The spelling of 74440825 in words is "seventy-four million, four hundred forty thousand, eight hundred twenty-five".

Divisors: 1 5 25 29 145 725 102677 513385 2566925 2977633 14888165 74440825