Search a number
-
+
74603969 = 1141831993
BaseRepresentation
bin1000111001001…
…01110111000001
312012101021101222
410130211313001
5123044311334
611223004425
71564060166
oct434456701
9165337358
1074603969
1139126080
1220b99715
13125c127b
149ca006d
156839d2e
hex4725dc1

74603969 has 16 divisors (see below), whose sum is σ = 84417984. Its totient is φ = 65337600.

The previous prime is 74603929. The next prime is 74603999. The reversal of 74603969 is 96930647.

It is not a de Polignac number, because 74603969 - 224 = 57826753 is a prime.

It is a super-2 number, since 2×746039692 = 11131504381105922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74603909) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 36437 + ... + 38429.

It is an arithmetic number, because the mean of its divisors is an integer number (5276124).

Almost surely, 274603969 is an apocalyptic number.

It is an amenable number.

74603969 is a deficient number, since it is larger than the sum of its proper divisors (9814015).

74603969 is a wasteful number, since it uses less digits than its factorization.

74603969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 74603969 is about 8637.3589134642. The cubic root of 74603969 is about 420.9727434429.

The spelling of 74603969 in words is "seventy-four million, six hundred three thousand, nine hundred sixty-nine".

Divisors: 1 11 41 83 451 913 1993 3403 21923 37433 81713 165419 898843 1819609 6782179 74603969