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42716737 = 713744543
BaseRepresentation
bin1010001011110…
…0111001000001
32222101020100101
42202330321001
541413413422
64123322401
71026041410
oct242747101
988336311
1042716737
1122126798
1212380401
138b0829b
14595d477
153b3bc27
hex28bce41

42716737 has 8 divisors (see below), whose sum is σ = 49176576. Its totient is φ = 36346272.

The previous prime is 42716689. The next prime is 42716789. The reversal of 42716737 is 73761724.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42716737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42716696 and 42716705.

It is not an unprimeable number, because it can be changed into a prime (42716437) 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, 21313 + ... + 23230.

It is an arithmetic number, because the mean of its divisors is an integer number (6147072).

Almost surely, 242716737 is an apocalyptic number.

It is an amenable number.

42716737 is a deficient number, since it is larger than the sum of its proper divisors (6459839).

42716737 is a wasteful number, since it uses less digits than its factorization.

42716737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44687.

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

The square root of 42716737 is about 6535.8042351343. The cubic root of 42716737 is about 349.5688214134.

The spelling of 42716737 in words is "forty-two million, seven hundred sixteen thousand, seven hundred thirty-seven".

Divisors: 1 7 137 959 44543 311801 6102391 42716737