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75064441 = 2913119759
BaseRepresentation
bin1000111100101…
…10010001111001
312020020200001111
410132112101321
5123204030231
611240520321
71601015524
oct436262171
9166220044
1075064441
1139410031
12211800a1
1312722a3a
149d7dbbb
1568cb4b1
hex4796479

75064441 has 8 divisors (see below), whose sum is σ = 78249600. Its totient is φ = 71919120.

The previous prime is 75064439. The next prime is 75064471. The reversal of 75064441 is 14446057.

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 75064441 - 21 = 75064439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75064471) 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, 6081 + ... + 13678.

It is an arithmetic number, because the mean of its divisors is an integer number (9781200).

Almost surely, 275064441 is an apocalyptic number.

It is an amenable number.

75064441 is a deficient number, since it is larger than the sum of its proper divisors (3185159).

75064441 is a wasteful number, since it uses less digits than its factorization.

75064441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19919.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 75064441 is about 8663.9737418808. The cubic root of 75064441 is about 421.8370795070.

The spelling of 75064441 in words is "seventy-five million, sixty-four thousand, four hundred forty-one".

Divisors: 1 29 131 3799 19759 573011 2588429 75064441