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74444070 = 23579101311
BaseRepresentation
bin1000110111111…
…10110100100110
312012002011001210
410123332310212
5123024202240
611215332250
71562523051
oct433766446
9165064053
1074444070
1139026a28
1220b21086
131256655c
149c5ba98
156807780
hex46fed26

74444070 has 64 divisors (see below), whose sum is σ = 183306240. Its totient is φ = 19344000.

The previous prime is 74444063. The next prime is 74444081. The reversal of 74444070 is 7044447.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239215 + ... + 239525.

It is an arithmetic number, because the mean of its divisors is an integer number (2864160).

Almost surely, 274444070 is an apocalyptic number.

74444070 is an abundant number, since it is smaller than the sum of its proper divisors (108862170).

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

74444070 is a wasteful number, since it uses less digits than its factorization.

74444070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501.

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 74444070 is about 8628.0977045928. The cubic root of 74444070 is about 420.6717707656.

The spelling of 74444070 in words is "seventy-four million, four hundred forty-four thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 79 101 158 202 237 303 311 395 474 505 606 622 790 933 1010 1185 1515 1555 1866 2370 3030 3110 4665 7979 9330 15958 23937 24569 31411 39895 47874 49138 62822 73707 79790 94233 119685 122845 147414 157055 188466 239370 245690 314110 368535 471165 737070 942330 2481469 4962938 7444407 12407345 14888814 24814690 37222035 74444070