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74085136 = 248355787
BaseRepresentation
bin1000110101001…
…11001100010000
312011101220200221
410122213030100
5122431211021
611203522424
71556466436
oct432471420
9164356627
1074085136
1138901294
1220989414
131246c078
149ba6d56
156786241
hex46a7310

74085136 has 20 divisors (see below), whose sum is σ = 145271952. Its totient is φ = 36595616.

The previous prime is 74085127. The next prime is 74085157. The reversal of 74085136 is 63158047.

It can be divided in two parts, 7408 and 5136, that added together give a square (12544 = 1122).

It is a super-2 number, since 2×740851362 = 10977214752276992, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26566 + ... + 29221.

Almost surely, 274085136 is an apocalyptic number.

It is an amenable number.

74085136 is a deficient number, since it is larger than the sum of its proper divisors (71186816).

74085136 is a wasteful number, since it uses less digits than its factorization.

74085136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55878 (or 55872 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 74085136 is about 8607.2722740715. The cubic root of 74085136 is about 419.9945879877.

The spelling of 74085136 in words is "seventy-four million, eighty-five thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 83 166 332 664 1328 55787 111574 223148 446296 892592 4630321 9260642 18521284 37042568 74085136