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76772071 = 4316710691
BaseRepresentation
bin1001001001101…
…11001011100111
312100110102111001
410210313023213
5124123201241
611341254131
71621360165
oct444671347
9170412431
1076772071
113a376aa2
1221864347
1312ba007c
14a2a6235
156b17431
hex49372e7

76772071 has 8 divisors (see below), whose sum is σ = 79035264. Its totient is φ = 74530680.

The previous prime is 76772029. The next prime is 76772093. The reversal of 76772071 is 17027767.

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

It is a cyclic number.

It is not a de Polignac number, because 76772071 - 215 = 76739303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76772071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76775071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1836 + ... + 12526.

It is an arithmetic number, because the mean of its divisors is an integer number (9879408).

Almost surely, 276772071 is an apocalyptic number.

76772071 is a deficient number, since it is larger than the sum of its proper divisors (2263193).

76772071 is a wasteful number, since it uses less digits than its factorization.

76772071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10901.

The product of its (nonzero) digits is 28812, while the sum is 37.

The square root of 76772071 is about 8761.9673019248. The cubic root of 76772071 is about 425.0118953995.

The spelling of 76772071 in words is "seventy-six million, seven hundred seventy-two thousand, seventy-one".

Divisors: 1 43 167 7181 10691 459713 1785397 76772071