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74720116 = 2271307857
BaseRepresentation
bin1000111010000…
…10001101110100
312012121011201201
410131002031310
5123112020431
611225302244
71565052622
oct435021564
9165534651
1074720116
11391a5369
1221034984
13126320b3
149cd0512
15685e461
hex4742374

74720116 has 24 divisors (see below), whose sum is σ = 133189056. Its totient is φ = 36671040.

The previous prime is 74720047. The next prime is 74720119. The reversal of 74720116 is 61102747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74720119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86760 + ... + 87616.

It is an arithmetic number, because the mean of its divisors is an integer number (5549544).

Almost surely, 274720116 is an apocalyptic number.

It is an amenable number.

74720116 is a deficient number, since it is larger than the sum of its proper divisors (58468940).

74720116 is a wasteful number, since it uses less digits than its factorization.

74720116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239 (or 1237 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 74720116 is about 8644.0798237869. The cubic root of 74720116 is about 421.1910936189.

The spelling of 74720116 in words is "seventy-four million, seven hundred twenty thousand, one hundred sixteen".

Divisors: 1 2 4 71 142 284 307 614 857 1228 1714 3428 21797 43594 60847 87188 121694 243388 263099 526198 1052396 18680029 37360058 74720116