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75069914 = 2310912073
BaseRepresentation
bin1000111100101…
…11100111011010
312020020221120012
410132113213122
5123204214124
611241001522
71601040503
oct436274732
9166227505
1075069914
1139414157
12211832a2
131272538a
149d81baa
1568cce0e
hex47979da

75069914 has 8 divisors (see below), whose sum is σ = 112650420. Its totient is φ = 37519776.

The previous prime is 75069913. The next prime is 75069919. The reversal of 75069914 is 41996057.

It can be written as a sum of positive squares in 2 ways, for example, as 57988225 + 17081689 = 7615^2 + 4133^2 .

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

It is not an unprimeable number, because it can be changed into a prime (75069913) 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, 182 + ... + 12254.

Almost surely, 275069914 is an apocalyptic number.

75069914 is a deficient number, since it is larger than the sum of its proper divisors (37580506).

75069914 is a wasteful number, since it uses less digits than its factorization.

75069914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15184.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 75069914 is about 8664.2895842648. The cubic root of 75069914 is about 421.8473314017.

The spelling of 75069914 in words is "seventy-five million, sixty-nine thousand, nine hundred fourteen".

Divisors: 1 2 3109 6218 12073 24146 37534957 75069914