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74870001 = 35308107
BaseRepresentation
bin1000111011001…
…10110011110001
312012212210100000
410131212303301
5123131320001
611232420213
71566245613
oct435466361
9165783300
1074870001
1139297a38
12210a7669
131268539b
149d2cdb3
15688da86
hex4766cf1

74870001 has 12 divisors (see below), whose sum is σ = 112151312. Its totient is φ = 49913172.

The previous prime is 74869961. The next prime is 74870017. The reversal of 74870001 is 10007847.

It is not a de Polignac number, because 74870001 - 211 = 74867953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74870701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153811 + ... + 154296.

Almost surely, 274870001 is an apocalyptic number.

It is an amenable number.

74870001 is a deficient number, since it is larger than the sum of its proper divisors (37281311).

74870001 is an equidigital number, since it uses as much as digits as its factorization.

74870001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308122 (or 308110 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 74870001 is about 8652.7452869017. The cubic root of 74870001 is about 421.4725352857.

Adding to 74870001 its reverse (10007847), we get a palindrome (84877848).

The spelling of 74870001 in words is "seventy-four million, eight hundred seventy thousand, one".

Divisors: 1 3 9 27 81 243 308107 924321 2772963 8318889 24956667 74870001