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74471073 = 3223111317
BaseRepresentation
bin1000111000001…
…01011010100001
312012010112002220
410130011122201
5123031033243
611220101253
71562664555
oct434053241
9165115086
1074471073
1139045246
1220b34829
1312575931
149c67865
156810783
hex47056a1

74471073 has 8 divisors (see below), whose sum is σ = 99740928. Its totient is φ = 49424304.

The previous prime is 74471053. The next prime is 74471081. The reversal of 74471073 is 37017447.

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

It is not a de Polignac number, because 74471073 - 25 = 74471041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74471053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54990 + ... + 56327.

It is an arithmetic number, because the mean of its divisors is an integer number (12467616).

Almost surely, 274471073 is an apocalyptic number.

It is an amenable number.

74471073 is a deficient number, since it is larger than the sum of its proper divisors (25269855).

74471073 is a wasteful number, since it uses less digits than its factorization.

74471073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111543.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 74471073 is about 8629.6623920058. The cubic root of 74471073 is about 420.7226278571.

It can be divided in two parts, 744 and 71073, that added together give a palindrome (71817).

The spelling of 74471073 in words is "seventy-four million, four hundred seventy-one thousand, seventy-three".

Divisors: 1 3 223 669 111317 333951 24823691 74471073