Search a number
-
+
74219470 = 2513570919
BaseRepresentation
bin1000110110001…
…11111111001110
312011122201222021
410123013333032
5123000010340
611210440354
71560566203
oct433077716
9164581867
1074219470
1138993206
1220a330ba
13124b8260
149bddcaa
1567b0e4a
hex46c7fce

74219470 has 16 divisors (see below), whose sum is σ = 143871840. Its totient is φ = 27404064.

The previous prime is 74219441. The next prime is 74219477. The reversal of 74219470 is 7491247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74219477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285330 + ... + 285589.

It is an arithmetic number, because the mean of its divisors is an integer number (8991990).

Almost surely, 274219470 is an apocalyptic number.

74219470 is a deficient number, since it is larger than the sum of its proper divisors (69652370).

74219470 is a wasteful number, since it uses less digits than its factorization.

74219470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570939.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 74219470 is about 8615.0722573870. The cubic root of 74219470 is about 420.2482847913.

The spelling of 74219470 in words is "seventy-four million, two hundred nineteen thousand, four hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 570919 1141838 2854595 5709190 7421947 14843894 37109735 74219470