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74845441 = 1117400243
BaseRepresentation
bin1000111011000…
…00110100000001
312012211112122101
410131200310001
5123130023231
611232110401
71566114166
oct435406401
9165745571
1074845441
1139280540
1221095401
1312677158
149d2406d
156886661
hex4760d01

74845441 has 8 divisors (see below), whose sum is σ = 86452704. Its totient is φ = 64038720.

The previous prime is 74845423. The next prime is 74845457. The reversal of 74845441 is 14454847.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 74845441 - 213 = 74837249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74845441.

It is not an unprimeable number, because it can be changed into a prime (74845481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199935 + ... + 200308.

It is an arithmetic number, because the mean of its divisors is an integer number (10806588).

Almost surely, 274845441 is an apocalyptic number.

It is an amenable number.

74845441 is a deficient number, since it is larger than the sum of its proper divisors (11607263).

74845441 is a wasteful number, since it uses less digits than its factorization.

74845441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400271.

The product of its digits is 71680, while the sum is 37.

The square root of 74845441 is about 8651.3259677347. The cubic root of 74845441 is about 421.4264442951.

The spelling of 74845441 in words is "seventy-four million, eight hundred forty-five thousand, four hundred forty-one".

Divisors: 1 11 17 187 400243 4402673 6804131 74845441