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74727074 = 261718627
BaseRepresentation
bin1000111010000…
…11111010100010
312012121112021102
410131003322202
5123112231244
611225354402
71565112122
oct435037242
9165545242
1074727074
11391aa614
1221038a02
1312635306
149cd2c82
15686154e
hex4743ea2

74727074 has 16 divisors (see below), whose sum is σ = 115546176. Its totient is φ = 36229200.

The previous prime is 74727073. The next prime is 74727097. The reversal of 74727074 is 47072747.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (74727071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4349 + ... + 12975.

It is an arithmetic number, because the mean of its divisors is an integer number (7221636).

Almost surely, 274727074 is an apocalyptic number.

74727074 is a deficient number, since it is larger than the sum of its proper divisors (40819102).

74727074 is a wasteful number, since it uses less digits than its factorization.

74727074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8761.

The product of its (nonzero) digits is 76832, while the sum is 38.

The square root of 74727074 is about 8644.4822864067. The cubic root of 74727074 is about 421.2041671027.

The spelling of 74727074 in words is "seventy-four million, seven hundred twenty-seven thousand, seventy-four".

Divisors: 1 2 61 71 122 142 4331 8627 8662 17254 526247 612517 1052494 1225034 37363537 74727074