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70707668 = 2217676917
BaseRepresentation
bin1000011011011…
…10100111010100
311221001022200112
410031232213110
5121100121133
611003302152
71516001543
oct415564724
9157038615
1070707668
1136a04799
121b81a958
1311858975
14956815a
15631a648
hex436e9d4

70707668 has 6 divisors (see below), whose sum is σ = 123738426. Its totient is φ = 35353832.

The previous prime is 70707667. The next prime is 70707697. The reversal of 70707668 is 86670707.

It can be written as a sum of positive squares in only one way, i.e., 69022864 + 1684804 = 8308^2 + 1298^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70707661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8838455 + ... + 8838462.

It is an arithmetic number, because the mean of its divisors is an integer number (20623071).

Almost surely, 270707668 is an apocalyptic number.

It is an amenable number.

70707668 is a deficient number, since it is larger than the sum of its proper divisors (53030758).

70707668 is a wasteful number, since it uses less digits than its factorization.

70707668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17676921 (or 17676919 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 70707668 is about 8408.7851679062. The cubic root of 70707668 is about 413.5126863565.

The spelling of 70707668 in words is "seventy million, seven hundred seven thousand, six hundred sixty-eight".

Divisors: 1 2 4 17676917 35353834 70707668