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76870072 = 2372713217
BaseRepresentation
bin1001001010011…
…11000110111000
312100122101220201
410211033012320
5124134320242
611343331544
71622245666
oct445170670
9170571821
1076870072
113a433694
12218b0bb4
1312c05866
14a2cdc36
156b364b7
hex494f1b8

76870072 has 16 divisors (see below), whose sum is σ = 144340560. Its totient is φ = 38379264.

The previous prime is 76870061. The next prime is 76870093. The reversal of 76870072 is 27007867.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793 + ... + 12424.

It is an arithmetic number, because the mean of its divisors is an integer number (9021285).

Almost surely, 276870072 is an apocalyptic number.

It is an amenable number.

76870072 is a deficient number, since it is larger than the sum of its proper divisors (67470488).

76870072 is a wasteful number, since it uses less digits than its factorization.

76870072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13950 (or 13946 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 76870072 is about 8767.5579268118. The cubic root of 76870072 is about 425.1926637430.

The spelling of 76870072 in words is "seventy-six million, eight hundred seventy thousand, seventy-two".

Divisors: 1 2 4 8 727 1454 2908 5816 13217 26434 52868 105736 9608759 19217518 38435036 76870072