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74000007217 = 1731734094703
BaseRepresentation
bin100010011101010111…
…1101000000000110001
321002000012001212020001
41010322233220000301
52203023000212332
653554540550001
75226534453163
oct1047257500061
9232005055201
1074000007217
1129424090764
1212412552301
136c9406c426
14381dd6c933
151dd18880e7
hex113abe8031

74000007217 has 32 divisors (see below), whose sum is σ = 82206351360. Its totient is φ = 66300456960.

The previous prime is 74000007197. The next prime is 74000007227. The reversal of 74000007217 is 71270000047.

It is a de Polignac number, because none of the positive numbers 2k-74000007217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74000007227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15732288 + ... + 15736990.

It is an arithmetic number, because the mean of its divisors is an integer number (2568948480).

Almost surely, 274000007217 is an apocalyptic number.

It is an amenable number.

74000007217 is a deficient number, since it is larger than the sum of its proper divisors (8206344143).

74000007217 is a wasteful number, since it uses less digits than its factorization.

74000007217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233.

The product of its (nonzero) digits is 2744, while the sum is 28.

The spelling of 74000007217 in words is "seventy-four billion, seven thousand, two hundred seventeen".

Divisors: 1 17 31 73 409 527 1241 2263 4703 6953 12679 29857 38471 79951 145793 215543 343319 507569 925567 1923527 2478481 5836423 10642889 15734639 32699959 59629337 140417471 180929113 1013698729 2387097007 4352941601 74000007217