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70066774 = 283422089
BaseRepresentation
bin1000010110100…
…10001001010110
311212211202112201
410023102021112
5120414114044
610541435114
71510362211
oct413221126
9155752481
1070066774
1136607228
121b56ba9a
131169303b
14943c778
1562407d4
hex42d2256

70066774 has 8 divisors (see below), whose sum is σ = 106366680. Its totient is φ = 34611216.

The previous prime is 70066771. The next prime is 70066781. The reversal of 70066774 is 47766007.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70066771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210879 + ... + 211210.

It is an arithmetic number, because the mean of its divisors is an integer number (13295835).

Almost surely, 270066774 is an apocalyptic number.

70066774 is a deficient number, since it is larger than the sum of its proper divisors (36299906).

70066774 is a wasteful number, since it uses less digits than its factorization.

70066774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422174.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 70066774 is about 8370.5898239013. The cubic root of 70066774 is about 412.2595334318.

The spelling of 70066774 in words is "seventy million, sixty-six thousand, seven hundred seventy-four".

Divisors: 1 2 83 166 422089 844178 35033387 70066774