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70739874 = 2322924673
BaseRepresentation
bin1000011011101…
…10011110100010
311221002221212100
410031312132202
5121102133444
611004111230
71516164462
oct415663642
9157087770
1070739874
1136a26a07
121b835516
131186a51a
149575ba2
156324e69
hex43767a2

70739874 has 36 divisors (see below), whose sum is σ = 158771106. Its totient is φ = 22761984.

The previous prime is 70739863. The next prime is 70739891. The reversal of 70739874 is 47893707.

It can be written as a sum of positive squares in 3 ways, for example, as 70308225 + 431649 = 8385^2 + 657^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12802 + ... + 17474.

Almost surely, 270739874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70739874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79385553).

70739874 is an abundant number, since it is smaller than the sum of its proper divisors (88031232).

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

70739874 is a wasteful number, since it uses less digits than its factorization.

70739874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4739 (or 4707 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 70739874 is about 8410.6999708704. The cubic root of 70739874 is about 413.5754592188.

The spelling of 70739874 in words is "seventy million, seven hundred thirty-nine thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 841 1682 2523 4673 5046 7569 9346 14019 15138 28038 42057 84114 135517 271034 406551 813102 1219653 2439306 3929993 7859986 11789979 23579958 35369937 70739874