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70736741 = 103368477
BaseRepresentation
bin1000011011101…
…01101101100101
311221002210120022
410031311231211
5121102033431
611004044525
71516152365
oct415655545
9157083508
1070736741
1136a24619
121b833745
1311868c7a
1495749a5
15632407b
hex4375b65

70736741 has 4 divisors (see below), whose sum is σ = 70806252. Its totient is φ = 70667232.

The previous prime is 70736723. The next prime is 70736747. The reversal of 70736741 is 14763707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14763707 = 72109101.

It can be written as a sum of positive squares in 2 ways, for example, as 60996100 + 9740641 = 7810^2 + 3121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70736741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70736747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33206 + ... + 35271.

It is an arithmetic number, because the mean of its divisors is an integer number (17701563).

Almost surely, 270736741 is an apocalyptic number.

It is an amenable number.

70736741 is a deficient number, since it is larger than the sum of its proper divisors (69511).

70736741 is a wasteful number, since it uses less digits than its factorization.

70736741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69510.

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 70736741 is about 8410.5137179604. The cubic root of 70736741 is about 413.5693535108.

The spelling of 70736741 in words is "seventy million, seven hundred thirty-six thousand, seven hundred forty-one".

Divisors: 1 1033 68477 70736741