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74586085 = 572304433
BaseRepresentation
bin1000111001000…
…01011111100101
312012100100212121
410130201133211
5123043223320
611222345541
71563654100
oct434413745
9165310777
1074586085
11391136a2
1220b8b2b1
13125b60a2
149c97737
1568348aa
hex47217e5

74586085 has 12 divisors (see below), whose sum is σ = 104116428. Its totient is φ = 51144576.

The previous prime is 74586053. The next prime is 74586097. The reversal of 74586085 is 58068547.

It can be written as a sum of positive squares in 2 ways, for example, as 10233601 + 64352484 = 3199^2 + 8022^2 .

It is not a de Polignac number, because 74586085 - 25 = 74586053 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 151972 + ... + 152461.

It is an arithmetic number, because the mean of its divisors is an integer number (8676369).

Almost surely, 274586085 is an apocalyptic number.

It is an amenable number.

74586085 is a deficient number, since it is larger than the sum of its proper divisors (29530343).

74586085 is a wasteful number, since it uses less digits than its factorization.

74586085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304452 (or 304445 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 74586085 is about 8636.3235812468. The cubic root of 74586085 is about 420.9391023453.

The spelling of 74586085 in words is "seventy-four million, five hundred eighty-six thousand, eighty-five".

Divisors: 1 5 7 35 49 245 304433 1522165 2131031 10655155 14917217 74586085