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74966071 = 431743397
BaseRepresentation
bin1000111011111…
…10010000110111
312020001200010011
410131332100313
5123142403241
611234441051
71600125655
oct435762067
9166050104
1074966071
1139353134
1221133187
13126ba02b
149d55dd5
1568ac281
hex477e437

74966071 has 4 divisors (see below), whose sum is σ = 76709512. Its totient is φ = 73222632.

The previous prime is 74966063. The next prime is 74966083. The reversal of 74966071 is 17066947.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74966071 - 23 = 74966063 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 (74966041) 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, 871656 + ... + 871741.

It is an arithmetic number, because the mean of its divisors is an integer number (19177378).

Almost surely, 274966071 is an apocalyptic number.

74966071 is a deficient number, since it is larger than the sum of its proper divisors (1743441).

74966071 is a wasteful number, since it uses less digits than its factorization.

74966071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743440.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 74966071 is about 8658.2949245218. The cubic root of 74966071 is about 421.6527301103.

The spelling of 74966071 in words is "seventy-four million, nine hundred sixty-six thousand, seventy-one".

Divisors: 1 43 1743397 74966071