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74071960 = 2352380513
BaseRepresentation
bin1000110101000…
…11111110011000
312011101020121221
410122203332120
5122430300320
611203341424
71556413144
oct432437630
9164336557
1074071960
11388a23a6
1220981874
1312466081
149ba2224
1567823aa
hex46a3f98

74071960 has 32 divisors (see below), whose sum is σ = 173910240. Its totient is φ = 28340224.

The previous prime is 74071951. The next prime is 74071973. The reversal of 74071960 is 6917047.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39337 + ... + 41176.

It is an arithmetic number, because the mean of its divisors is an integer number (5434695).

Almost surely, 274071960 is an apocalyptic number.

It is an amenable number.

74071960 is an abundant number, since it is smaller than the sum of its proper divisors (99838280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74071960 is a wasteful number, since it uses less digits than its factorization.

74071960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80547 (or 80543 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 74071960 is about 8606.5068407572. The cubic root of 74071960 is about 419.9696879106.

The spelling of 74071960 in words is "seventy-four million, seventy-one thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 80513 161026 322052 402565 644104 805130 1610260 1851799 3220520 3703598 7407196 9258995 14814392 18517990 37035980 74071960