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74706423 = 3111926271
BaseRepresentation
bin1000111001111…
…10110111110111
312012120110221120
410130332313313
5123111101143
611225115023
71564664661
oct434766767
9165513846
1074706423
1139196050
1221028a73
1312628aac
149cc9531
15685a383
hex473edf7

74706423 has 24 divisors (see below), whose sum is σ = 114702336. Its totient is φ = 42886800.

The previous prime is 74706397. The next prime is 74706431. The reversal of 74706423 is 32460747.

It is not a de Polignac number, because 74706423 - 28 = 74706167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74706473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8778 + ... + 15048.

It is an arithmetic number, because the mean of its divisors is an integer number (4779264).

Almost surely, 274706423 is an apocalyptic number.

74706423 is a deficient number, since it is larger than the sum of its proper divisors (39995913).

74706423 is a wasteful number, since it uses less digits than its factorization.

74706423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6323 (or 6304 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 74706423 is about 8643.2877425202. The cubic root of 74706423 is about 421.1653632789.

The spelling of 74706423 in words is "seventy-four million, seven hundred six thousand, four hundred twenty-three".

Divisors: 1 3 11 19 33 57 209 361 627 1083 3971 6271 11913 18813 68981 119149 206943 357447 1310639 2263831 3931917 6791493 24902141 74706423