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73975993 = 7131747819
BaseRepresentation
bin1000110100011…
…00100010111001
312011012100222121
410122030202321
5122414212433
611201321241
71555533310
oct432144271
9164170877
1073975993
1138837293
1220936221
13124314a0
149b79277
156763c2d
hex468c8b9

73975993 has 16 divisors (see below), whose sum is σ = 96405120. Its totient is φ = 55086336.

The previous prime is 73975943. The next prime is 73976003. The reversal of 73975993 is 39957937.

It is a cyclic number.

It is not a de Polignac number, because 73975993 - 29 = 73975481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73975993.

It is not an unprimeable number, because it can be changed into a prime (73975903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22363 + ... + 25456.

It is an arithmetic number, because the mean of its divisors is an integer number (6025320).

Almost surely, 273975993 is an apocalyptic number.

It is an amenable number.

73975993 is a deficient number, since it is larger than the sum of its proper divisors (22429127).

73975993 is a wasteful number, since it uses less digits than its factorization.

73975993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47856.

The product of its digits is 1607445, while the sum is 52.

The square root of 73975993 is about 8600.9297753208. The cubic root of 73975993 is about 419.7882398112.

The spelling of 73975993 in words is "seventy-three million, nine hundred seventy-five thousand, nine hundred ninety-three".

Divisors: 1 7 13 17 91 119 221 1547 47819 334733 621647 812923 4351529 5690461 10567999 73975993