Search a number
-
+
74593988 = 2272664071
BaseRepresentation
bin1000111001000…
…11011011000100
312012100202201022
410130203123010
5123044001423
611222450312
71564016120
oct434433304
9165322638
1074593988
1139119627
1220b93998
13125b9871
149c9a580
156836dc8
hex47236c4

74593988 has 12 divisors (see below), whose sum is σ = 149188032. Its totient is φ = 31968840.

The previous prime is 74593973. The next prime is 74594017. The reversal of 74593988 is 88939547.

74593988 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1332008 + ... + 1332063.

It is an arithmetic number, because the mean of its divisors is an integer number (12432336).

Almost surely, 274593988 is an apocalyptic number.

It is an amenable number.

74593988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74593988 is a wasteful number, since it uses less digits than its factorization.

74593988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664082 (or 2664080 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The square root of 74593988 is about 8636.7811133547. The cubic root of 74593988 is about 420.9539691230.

The spelling of 74593988 in words is "seventy-four million, five hundred ninety-three thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 14 28 2664071 5328142 10656284 18648497 37296994 74593988