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74480018 = 2226716427
BaseRepresentation
bin1000111000001…
…11100110010010
312012010222101012
410130013212102
5123031330033
611220210522
71563032624
oct434074622
9165128335
1074480018
1139050a38
1220b39a42
1312579a22
149c6ac14
156813248
hex4707992

74480018 has 8 divisors (see below), whose sum is σ = 111776112. Its totient is φ = 37221316.

The previous prime is 74480017. The next prime is 74480041. The reversal of 74480018 is 81008447.

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

It is not an unprimeable number, because it can be changed into a prime (74480017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3680 + ... + 12747.

It is an arithmetic number, because the mean of its divisors is an integer number (13972014).

Almost surely, 274480018 is an apocalyptic number.

74480018 is a deficient number, since it is larger than the sum of its proper divisors (37296094).

74480018 is a wasteful number, since it uses less digits than its factorization.

74480018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18696.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 74480018 is about 8630.1806470085. The cubic root of 74480018 is about 420.7394720405.

The spelling of 74480018 in words is "seventy-four million, four hundred eighty thousand, eighteen".

Divisors: 1 2 2267 4534 16427 32854 37240009 74480018