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77070713 = 712813863
BaseRepresentation
bin1001001100000…
…00000101111001
312101000121010212
410212000011321
5124212230323
611351520505
71624042646
oct446000571
9171017125
1077070713
113a560405
1221989135
1312c75c95
14a342dcd
156b75b78
hex4980179

77070713 has 8 divisors (see below), whose sum is σ = 78454656. Its totient is φ = 75695200.

The previous prime is 77070691. The next prime is 77070737. The reversal of 77070713 is 31707077.

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 77070713 - 26 = 77070649 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 77070713.

It is not an unprimeable number, because it can be changed into a prime (77070793) 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, 18020 + ... + 21882.

It is an arithmetic number, because the mean of its divisors is an integer number (9806832).

Almost surely, 277070713 is an apocalyptic number.

It is an amenable number.

77070713 is a deficient number, since it is larger than the sum of its proper divisors (1383943).

77070713 is a wasteful number, since it uses less digits than its factorization.

77070713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4215.

The product of its (nonzero) digits is 7203, while the sum is 32.

The square root of 77070713 is about 8778.9927098728. The cubic root of 77070713 is about 425.5622786099.

The spelling of 77070713 in words is "seventy-seven million, seventy thousand, seven hundred thirteen".

Divisors: 1 71 281 3863 19951 274273 1085503 77070713