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74213474 = 282145197
BaseRepresentation
bin1000110110001…
…10100001100010
312011122102202012
410123012201202
5122444312344
611210352522
71560542546
oct433064142
9164572665
1074213474
1138989755
1220a2b742
13124b55ca
149bdba26
1567ae29e
hex46c6862

74213474 has 8 divisors (see below), whose sum is σ = 111458268. Its totient is φ = 37060720.

The previous prime is 74213467. The next prime is 74213497. The reversal of 74213474 is 47431247.

It can be written as a sum of positive squares in 2 ways, for example, as 72505225 + 1708249 = 8515^2 + 1307^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 74213474.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20957 + ... + 24240.

Almost surely, 274213474 is an apocalyptic number.

74213474 is a deficient number, since it is larger than the sum of its proper divisors (37244794).

74213474 is a wasteful number, since it uses less digits than its factorization.

74213474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46020.

The product of its digits is 18816, while the sum is 32.

The square root of 74213474 is about 8614.7242555987. The cubic root of 74213474 is about 420.2369675607.

The spelling of 74213474 in words is "seventy-four million, two hundred thirteen thousand, four hundred seventy-four".

Divisors: 1 2 821 1642 45197 90394 37106737 74213474