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74493470 = 259917517
BaseRepresentation
bin1000111000010…
…10111000011110
312012011122211102
410130022320132
5123032242340
611220353102
71563120062
oct434127036
9165148742
1074493470
1139060057
1220b45792
1312582b9c
149c71aa2
156817215
hex470ae1e

74493470 has 16 divisors (see below), whose sum is σ = 134241408. Its totient is φ = 29763360.

The previous prime is 74493467. The next prime is 74493491. The reversal of 74493470 is 7439447.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6152 + ... + 13668.

It is an arithmetic number, because the mean of its divisors is an integer number (8390088).

Almost surely, 274493470 is an apocalyptic number.

74493470 is a deficient number, since it is larger than the sum of its proper divisors (59747938).

74493470 is a wasteful number, since it uses less digits than its factorization.

74493470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8515.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 74493470 is about 8630.9599697832. The cubic root of 74493470 is about 420.7648007431.

The spelling of 74493470 in words is "seventy-four million, four hundred ninety-three thousand, four hundred seventy".

Divisors: 1 2 5 10 991 1982 4955 7517 9910 15034 37585 75170 7449347 14898694 37246735 74493470