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74890857074 = 2113798981873
BaseRepresentation
bin100010110111111010…
…1111100101001110010
321011022021100201111012
41011233311330221302
52211334024411244
654223202550522
75260602532115
oct1055765745162
9234267321435
1074890857074
1129840a33410
1212620968442
1370a67b1017
1438a63c657c
151e34ba889e
hex116fd7ca72

74890857074 has 16 divisors (see below), whose sum is σ = 122872036320. Its totient is φ = 33951476160.

The previous prime is 74890857073. The next prime is 74890857079. The reversal of 74890857074 is 47075809847.

It is not an unprimeable number, because it can be changed into a prime (74890857071) 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, 4482599 + ... + 4499274.

It is an arithmetic number, because the mean of its divisors is an integer number (7679502270).

Almost surely, 274890857074 is an apocalyptic number.

74890857074 is a deficient number, since it is larger than the sum of its proper divisors (47981179246).

74890857074 is a wasteful number, since it uses less digits than its factorization.

74890857074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8982265.

The product of its (nonzero) digits is 15805440, while the sum is 59.

The spelling of 74890857074 in words is "seventy-four billion, eight hundred ninety million, eight hundred fifty-seven thousand, seventy-four".

Divisors: 1 2 11 22 379 758 4169 8338 8981873 17963746 98800603 197601206 3404129867 6808259734 37445428537 74890857074